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BHT-429-MPI
MAINTENANCE PLANNING INFORMATION
NOTICE
The instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB)
or other directions issued by Bell and Airworthiness Directives (AD) issued by the applicable regulatory
agencies, shall be strictly followed.
Copyright © 2017 Bell and Bell Canada Ltd. All rights reserved
Export Classification C, ECCN EAR99
Issue 2 - 3 DEC 2019

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Summary of Contents for Bell 429

  • Page 1 NOTICE The instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) or other directions issued by Bell and Airworthiness Directives (AD) issued by the applicable regulatory agencies, shall be strictly followed. Copyright © 2017 Bell and Bell Canada Ltd. All rights reserved...
  • Page 2 BHT-429-MPI PROPRIETARY RIGHTS NOTICE These data are proprietary to Bell Disclosure, reproduction, or use of these data for any purposes other than helicopter operation and maintenance is forbidden without prior authorization from Bell DESTINATION CONTROL STATEMENT These commodities, technology, or software were exported from the United States in accordance with the Export Administration Regulations (EAR).
  • Page 3 BHT-429-MPI LIST OF CHAPTERS Chapter Data module code Chapter 04 - Airworthiness Limitations Schedule 429-A-04-00-00-00A-009A-A Chapter 05 - Inspections 429-A-05-00-00-00A-009A-A Applicable to: ALL 429-A-00-00-00-00A-009A-A ECCN EAR99 3 DEC 2019 - Issue 2 Page III...
  • Page 4 BHT-429-MPI Intentionally blank page 429-A-00-00-00-00A-009A-A Applicable to: ALL Page IV Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 5 BHT-429-MPI List of Effective Data Modules The listed documents are included in issue 002, dated 2019-12-03, of this publication. C = Changed data module, N = New data module Document title Data module code Issue date Applicable Temporary revision record - Technical standard...
  • Page 6 BHT-429-MPI Temporary revision record - Technical standard records This temporary revision record provides a current listing of active temporary revisions against the manual. Temporary revisions which have been canceled/incorporated will only be maintained on the record until the next revision is issued. If there are no temporary revisions shown on the record, this is confirmation that there are no temporary revisions issued against the manual.
  • Page 7 Technical Publications. Product Support Engineering (PSE) is just a phone call away and may be contacted as follows: PSE Light (206/407/505): Phone: 450-437-2862 or 800-363-8023 (US/Canada) Fax: 450-433-0272 E-mail: pselight@bellflight.com PSE Intermediate (222/230/427/429/430): Phone: 450-437-2077 or 800-463-3036 (US/Canada) Fax: 450-433-0272 E-mail: pseinter@bellflight.com PSE Medium (204/205/212/412):...
  • Page 8 ACCORDANCE WITH BELL APPROVED PROCEDURES USING BELL APPROVED PARTS. ALL INSPECTION, REPAIR AND OVERHAUL PROCEDURES PUBLISHED BY BELL, INCLUDING PART RETIREMENT LIFE, ARE BASED SOLELY ON THE USE OF BELL PARTS THAT HAVE BEEN MAINTAINED USING BELL APPROVED DATA. THE DATA PUBLISHED HEREIN OR OTHERWISE SUPPLIED BY BELL IS NOT APPLICABLE TO NON-BELL PARTS OR PARTS THAT HAVE BEEN REPAIRED USING DATA AND/OR PROCESSES NOT APPROVED BY BELL.
  • Page 9 BHT-429-MPI ICN-BHT-A-000000-A-97499-00002-F-001-01 Figure 1. Customer feedback (Sheet 1 of 2) Applicable to: ALL BHT-A-00-00-00-00A-023A-A ECCN EAR99 20 JAN 2017 - Issue 1 Page IX...
  • Page 10 BHT-429-MPI ICN-BHT-A-000000-A-97499-00003-F-001-01 Figure 1. Customer feedback (Sheet 2 of 2) BHT-A-00-00-00-00A-023A-A Applicable to: ALL Page X Issue 1 - 20 JAN 2017 ECCN EAR99...
  • Page 11 BHT-429-MPI ICN-BHT-A-000000-A-97499-00004-F-001-01 Figure 2. Sales notice (Sheet 1 of 2) Applicable to: ALL BHT-A-00-00-00-00A-023A-A ECCN EAR99 20 JAN 2017 - Issue 1 Page XI...
  • Page 12 BHT-429-MPI ICN-BHT-A-000000-A-97499-00005-F-001-01 Figure 2. Sales notice (Sheet 2 of 2) BHT-A-00-00-00-00A-023A-A Applicable to: ALL Page XII Issue 1 - 20 JAN 2017 ECCN EAR99...
  • Page 13 BHT-429-MPI ICN-BHT-A-000000-A-97499-00006-F-001-01 Figure 3. Warranty (Sheet 1 of 1) Applicable to: ALL BHT-A-00-00-00-00A-023A-A ECCN EAR99 20 JAN 2017 - Issue 1 Page XIII...
  • Page 14 BHT-429-MPI ICN-BHT-A-000000-A-97499-00007-F-001-01 Figure 4. HELP page (Sheet 1 of 1) BHT-A-00-00-00-00A-023A-A Applicable to: ALL Page XIV Issue 1 - 20 JAN 2017 ECCN EAR99...
  • Page 15 BHT-429-MPI Use of a S1000D publication - Introduction Use of a S1000D publication - General information 1.1. Document structure The breakdown of the helicopter into systems within the manuals is done under the S1000D specification (S1000D-I9005-01000-00, Issue No. 4.0,4, may 12, 2009).
  • Page 16 BHT-429-MPI 1.1.1.5. Information code and information code variant 1.1.1.5.1. Information code The information code is a three-digit code. The information code identifies the types of information you can find in the data module. 1.1.1.5.2. Information code variant The information code variant is a letter (letters I and 0 are not used).
  • Page 17 A section of the Instructions for Continued Airworthiness (ICA) that contains each mandatory replacement time, inspection interval, and related inspection task (429-A-04-00-00-00A-009A-A). The information contained in the Airworthiness Limitations section may be changed to reflect service and/or test experience or new analysis methods.
  • Page 18 A program used to validate the performance of an approved product improvement or a change to a maintenance interval. The engineering aspects of this change are approved. The program is closely monitored by Bell Helicopter Textron (BHT) in an operational environment with selected operators.
  • Page 19 BHT-429-MPI Standard A specified rule, reference, or measure that you use to determine the condition of a component. Time-in-Service (Flight Time) The measured time that starts the moment the helicopter leaves the ground and continues until it touches the ground at the next point of landing. The time when the helicopter is on the ground, with the engine and the rotor turning, is not included.
  • Page 20 BHT-429-MPI Intentionally blank page 429-A-00-71-00-00A-006A-A Applicable to: ALL Page 4 Issue 1 - 18 MAY 2017 ECCN EAR99...
  • Page 21 BHT-429-MPI CHAPTER 04 AIRWORTHINESS LIMITATIONS SCHEDULE MAINTENANCE PLANNING INFORMATION Applicable to: ALL 429-A-04-00-00-00A-009A-A ECCN EAR99 3 DEC 2019 - Issue 2 Page 1...
  • Page 22 BHT-429-MPI Intentionally blank page 429-A-04-00-00-00A-009A-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 23 BHT-429-MPI List of Effective Data Modules The listed documents are included in issue 002, dated 2019-12-03, of this publication. C = Changed data module, N = New data module Document title Data module code Issue date Applicable Airworthiness limitations schedule - Approval...
  • Page 24 BHT-429-MPI Intentionally blank page 429-A-04-00-00-00A-00SA-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 25 BHT-429-MPI Airworthiness limitations schedule - Approval The Airworthiness Limitations Schedule is approved by the Minister and specifies the maintenance required by any applicable airworthiness or operational rules unless an alternative program has been approved by the Minister. Applicable to: ALL...
  • Page 26 BHT-429-MPI Intentionally blank page 429-A-04-00-00-00A-023A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 27 BHT-429-MPI Airworthiness limitations schedule - Log of TC approved revisions ISSUE NUMBER DATE OF SIGNATURE TC SIGNATURE ISSUE 001 25 July 2018 Applicable to: ALL 429-A-04-00-00-00B-023A-A ECCN EAR99 10 JAN 2019 - Issue 2 Page 1...
  • Page 28 BHT-429-MPI Intentionally blank page 429-A-04-00-00-00B-023A-A Applicable to: ALL Page 2 Issue 2 - 10 JAN 2019 ECCN EAR99...
  • Page 29 The airworthiness limitations of the PW207D1/D2 engines, as installed in the Model 429 helicopter and operated in accordance with the limitations specified in the Flight Manual (BHT-429-FM-1, Section 1), are covered in the applicable section of the PW207D1/D2 Maintenance Manual (P/N 3071602).
  • Page 30 BHT-429-MPI The airworthiness lives and inspection intervals given to the components are determined through experience, engineering judgement, fatigue tests, and Lead-The-Fleet (LTF) programs. The airworthiness lives and inspection intervals cannot be changed without the approval of Transport Canada. NOTE It is the responsibility of the pilot to record the events in the helicopter log book. Normal landings, run-on landings, autorotation landings, normal retraction/extension, and emergency gear release of the wheeled landing gear system (if installed) are events that must be recorded separately.
  • Page 31 BHT-429-MPI Table 1. Airworthiness Limitations Schedule (continued) PART NUMBER NOMENCLATURE AIRWORTHINESS LIFE 429-042-102-101 20,000 hours Tail Rotor Output Shaft PYLON SUPPORT Rod End Assembly 427-010-210-105 5000 hours Pylon Beam Assembly, Left 429-010-201-101 8000 hours Pylon Beam Assembly, Right 429-010-201-102 8000 hours...
  • Page 32 BHT-429-MPI Table 1. Airworthiness Limitations Schedule (continued) PART NUMBER NOMENCLATURE AIRWORTHINESS LIFE 42315-281 5 years Cartridge, Cable Cutter (11) Cable, Rescue Hoist 42325-298 1500 Hoist Lift (16) WHEELED LANDING GEAR KIT Forward Spar 429-031-213-103 30,000 RIN (13) Forward Spar 429-031-213-104...
  • Page 33 Refer to the Airworthiness Limitations section of the PW207D1/D2 Maintenance Manual (P/N 3071602). Airworthiness life in years and months applies to shelf and operating time from date of manufacture. Refer to the BHT-429-II-38 for information on the applicability of the items listed to the specific float kit configuration installed on the helicopter.
  • Page 34 The maintenance interval for the part number listed applies to all successive dash numbers for the component, unless otherwise specified. Do a functional check of the Emergency Gear Release (EGR) (429-MM, Chapter 99). Carry out a functional check of the float/life raft kit (if installed) electrical system...
  • Page 35 BHT-429-MPI ICN-429-A-040000-B-97499-00001-A-001-01 Figure 1. Main Rotor Yoke Assembly - Inspection (Sheet 1 of 1) Applicable to: ALL 429-A-04-00-00-00A-288A-A ECCN EAR99 10 JAN 2019 - Issue 1 Page 7...
  • Page 36 BHT-429-MPI Intentionally blank page 429-A-04-00-00-00A-288A-A Applicable to: ALL Page 8 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 37 BHT-429-MPI CHAPTER 05 INSPECTIONS MAINTENANCE PLANNING INFORMATION Applicable to: ALL 429-A-05-00-00-00A-009A-A ECCN EAR99 3 DEC 2019 - Issue 2 Page 1...
  • Page 38 BHT-429-MPI Intentionally blank page 429-A-05-00-00-00A-009A-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 39 BHT-429-MPI List of Effective Data Modules The listed documents are included in issue 002, dated 2019-12-03, of this publication. C = Changed data module, N = New data module Document title Data module code Issue date Applicable Inspections - General...
  • Page 40 BHT-429-MPI Document title Data module code Issue date Applicable Special Inspections - Torque/Friction Check DMC-429-A-05-50-00-00A-283A-A N 2019-01-10 Special Inspections - Opportunity Inspections - DMC-429-A-05-50-00-01A-283A-A N 2019-01-10 Component Removal Conditional Inspections - General DMC-429-A-05-50-00-01A-028A-A N 2019-01-10 Conditional Inspections - Hard Landing...
  • Page 41 Model 429 helicopter. The inspection intervals provided in this chapter are the maximum permitted, and are applicable only to Bell approved parts. Do not exceed these intervals. The owner/operator is responsible for increasing the scope and frequency of the inspections as necessary to make sure the helicopter is operated safely during all unusual local changes, such as environmental conditions, helicopter use, etc.
  • Page 42 The PW207D1/D2 Maintenance Manual (P/N 3071602) includes all of the instructions for continued airworthiness for the PW207D1/D2 engines, as installed in the Model 429 helicopter and operated in accordance with the limitations contained in the Flight Manual (BHT-429-FM-1, Section 1).
  • Page 43 STA/STC documentation. Maintenance and inspection of these items are the responsibility of the owner/operator. Inspections - Terminology Refer to 429-MM, Chapter 1 for definitions of the technical terms used in this chapter. Applicable to: ALL 429-A-05-00-00-00A-028A-A...
  • Page 44 BHT-429-MPI Intentionally blank page 429-A-05-00-00-00A-028A-A Applicable to: ALL Page 4 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 45 The information contained within the IMRR was then used to create the scheduled inspections within 429-A-05-00-00-00A-009A-A. Six digit task numbers (i.e., 623009) are provided in the data reference column of the various scheduled inspections within 429-A-05-00-00-00A-009A-A. These task numbers coincide with the inspection tasks developed as part of the MSG-3 process and can be referenced in the IMRR.
  • Page 46 Scheduled Inspections — Zonal Inspections NOTE Refer to 429-MM, Chapter 6 for the identification and complete description of the zones. The zonal inspections are General Visual Inspections (GVI) which are part of the scheduled inspection program of the helicopter. These inspections ensure that all systems, power plant installations, components, structures, and Electrical Wire Interconnection Systems (EWIS) are sufficiently visually examined for correct installation and general condition.
  • Page 47 May 15, 2012 May 15, 2013 NOTE: The 429 maintains the calendar day that the previous inspection was completed. Scheduled Inspections — Inspection Program To complete the inspection program of the helicopter, perform and record all of the following inspections: 50-hour or 1-month inspection (429-A-05-40-00-00A-281A-A).
  • Page 48 Complete the scheduled inspection every 8000 hours. 10,000-hour inspection (429-A-05-40-00-19A-281A-A). Complete the inspection every 10,000 hours of operating time. 15,000-hour or 15-year inspection (429-A-05-40-00-20A-281A-A). Complete the inspection every 15,000 hours of operating time or 15 years, whichever occurs first. 400 Flight Cycle inspection (429-A-05-40-00-32A-281A-A).
  • Page 49 BHT-429-MPI Table 1. Zonal Inspections — Mechanical Assemblies/Systems and Structure (continued) ITEM DEFECT, DAMAGE, FAILURE, OR IRREGULARITY Wear, chafing, dents, distortion, fouling, bending, scoring, and fraying Loose, damaged, or missing fasteners Fluid leakage Correct operation of drain holes (i.e., no blockage or obstruction)
  • Page 50 These locations will provide the data necessary to repair and replace wires, cables, and electrical components. In specific regards to electrical bonding requirements and unless otherwise specified, the Class R-II value of less than 10 milliohms is to be utilized on the Model 429. 429-A-05-40-00-00A-028A-A...
  • Page 51 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 52 BHT-429-MPI Intentionally blank page 429-A-05-40-00-00A-281A-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 53 Applies only 323002 to helicopters S/N 57001 through 57213 that have not complied with Part III of ASB 429-15-17. FLIGHT CONTROLS 429-MM, Chapter 67 1. Do a detailed inspection of the tail rotor pitch link assemblies.
  • Page 54 BHT-429-MPI Intentionally blank page 429-A-05-40-00-01A-281A-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 55 4. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 5. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 6. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 7. Ensure all required inspections of installed...
  • Page 56 Table 1. Scheduled Inspections - 200-Hour or 12-Month Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER COMPLETION TASKS 429-MM, Chapter 53 1. Install fairing 500G. 429-A-05-40-00-02A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 57 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...

  • Page 58: Table Of Contents

    INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 600ER, 429-MM, Chapter 96 1. Do a functional check of the No.1 and No.2 600EL, starter generator brushes. 600FR, 801001 600FL COMPLETION TASKS 1. Install panels 500A, 500G, 600ER, 600EL, 429-MM, Chapter 53 600FL, 600FR, 700EL, 700ER, 700GL, and 700GR.

  • Page 59: Data Reference/Imrr Task Number

    5. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 6. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 7. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 8. Ensure all required inspections of installed...
  • Page 60 BHT-429-MPI Intentionally blank page 429-A-05-40-00-03A-281A-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 61 5. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 6. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 7. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 8. Ensure all required inspections of installed...

  • Page 62: Access Zones

    INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 96 100A, 1. Do a functional check of the battery. 100B 243002 WARNING/CAUTION/ADVISORY SYSTEM 429-MM, Chapter 62 1. Do a functional check of the rotor brake caliper 600FL, switch assemblies.
  • Page 63 700CR, 700DL, 700DR, 700EL, 700ER, 700GL, 700GR, 700H, 700HL, and 700HR. DOORS AND WINDOWS 1. Do a detailed inspection of the chin bubbles 429-MM, Chapter 52 100EL, (Applicable only if Ditching Kit (429-706-048) is 100ER 253001 installed). MAIN ROTOR 429-MM, Chapter 62 1.

  • Page 64: 600Er

    Table 1. Scheduled Inspections - 800-Hour Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 62 5. Do a detailed inspection of the upper mount assembly. 622010 429-MM, Chapter 62 6. Do a detailed inspection of the lower mount assembly. 622011 429-MM, Chapter 62 7.
  • Page 65 Table 1. Scheduled Inspections - 800-Hour Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 63 3. Do a detailed inspection of the 600FL, engine-to-transmission driveshafts. 600FR 632001 429-MM, Chapter 63 600EL, 4. Do a detailed inspection of the mast assembly.
  • Page 66 Table 1. Scheduled Inspections - 800-Hour Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 500A, 500B, 429-MM, Chapter 65 3. Do a detailed inspection of the coupling disc 500G, 510, 711 packs. 651003 700GL, 700GR 700EL, 429-MM, Chapter 65 4.
  • Page 67 INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 600EL, 600ER, 600FL, 600FR, 429-MM, Chapter 71 2. Do a detailed inspection of the inlet tee 700BL, assemblies and inlet firewalls. 700BR, 713002 700CL, 700CR, 700DL, 700DR 700CL, 700CR,...
  • Page 68 BHT-429-MPI Intentionally blank page 429-A-05-40-00-31A-281A-A Applicable to: ALL Page 6 Issue 1 - 3 DEC 2019 ECCN EAR99...
  • Page 69 6. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 7. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 8. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 9. Ensure all required inspections of installed...
  • Page 70 DRAINS 1. Deleted DC POWER SYSTEM 1. through 3. Deleted ENGINE (ELECTRICAL) SYSTEM 1. Deleted COMPLETION TASKS 429-MM, Chapter 53 1. Install panels 200DL and 200DR. 429-A-05-40-00-05A-281A-A Applicable to: ALL Page 2 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 71 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 72 BHT-429-MPI Intentionally blank page 429-A-05-40-00-06A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 73 BHT-429-MPI Scheduled Inspections - 1200-Hour Inspection Procedure Table 1. Scheduled Inspections - 1200-Hour Inspection INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER DATE: __________________W.O. FACILITY: HELICOPTER S/N: REGISTRY NO.: TOTAL TIME: SIGNATURE: NOTE To be performed every 1200 hours of operat- ing time.
  • Page 74 BHT-429-MPI Intentionally blank page 429-A-05-40-00-06A-281C-A Applicable to: ALL Page 2 Issue 1 - 11 JAN 2019 ECCN EAR99...
  • Page 75 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 76 BHT-429-MPI Intentionally blank page 429-A-05-40-00-07A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 77 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 78 BHT-429-MPI Intentionally blank page 429-A-05-40-00-28A-281A-A Applicable to: ALL Page 2 Issue 1 - 3 DEC 2019 ECCN EAR99...
  • Page 79 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 80 NOTE The following step is only for helicopters S/N 57002 through 57038, 57046, and 57051. 600CL, 1. Do a detailed inspection of the sealant around 429-MM, Chapter 53 600CR, 610, 611 the roof beam doublers between STA 168.285 and 534002-5 600FL, STA 213.568.
  • Page 81 700CR, 700DR COMPLETION TASKS 1. Install panels 100EL, 100ER, 100F, 100G, 200AL, 200AR, 400B, 600CL, 600CR, 600EL, 429-MM, Chapter 53 600ER, 600FL, 600FR, 700AL, 700AR, 700BL, 700BR, 700CL, 700CR, 700DL, 700DR, 700EL, 700ER, 700GL, 700GR, and 700H. Applicable to: ALL...
  • Page 82 BHT-429-MPI Intentionally blank page 429-A-05-40-00-08A-281A-A Applicable to: ALL Page 4 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 83 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 84 DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 96 1. Do a detailed inspection of the vertical fin and 511, 512, horizontal stabilizer position lights. 334004 2. Do a detailed inspection of the position / strobe...
  • Page 85 Table 1. Scheduled Inspections — 2-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 67 2. Do a detailed inspection of the cyclic longitudinal 200AR, 211, 314 control bellcrank assemblies. 200CR 671003 429-MM, Chapter 67 200AR, 3.
  • Page 86 INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 67 17. Do a detailed inspection of the directional trim 200AL actuator link assembly. 672006 18. Do a detailed inspection of the directional idler 429-MM, Chapter 67...
  • Page 87 TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 4. Do a detailed inspection of the connector 429-MM, Chapter 97 3450TR1P3 to include attachment of the coaxial 3400LA-02 cable. 5. Do a detailed inspection of the connector 429-MM, Chapter 97 3450TR1P5 to include attachment of the coaxial 3400LA-03 cable.
  • Page 88 BHT-429-MPI Intentionally blank page 429-A-05-40-00-09A-281A-A Applicable to: ALL Page 6 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 89 2. Ensure compliance with all applicable airworthiness directives. 429-A-04-00-00-00A-009A-A 3. Ensure life limited parts do not exceed service life. 429-MM, Chapter 12 4. Ensure all required lubrication tasks have been performed. 429-A-05-40-00-22A-281A-A 5. Ensure all required miscellaneous inspections have been performed, as applicable.
  • Page 90 Table 1. Scheduled Inspections - 3-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 25 7. Do a detailed inspection of the crew seat 200AL, 210, 211 mechanism and seat locking devices. 200AR 251007 NOTE Discard interval starts from date of manufac- ture.
  • Page 91 4. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 5. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 6. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 7. Ensure all required inspections of installed...
  • Page 92 Table 1. Scheduled Inspections - 4-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 200DL, 429-MM, Chapter 25 4. Do a visual check of the passenger seat energy 200DR, 213, 214 attenuation device for correct indication. 200EL, 252004 200ER 429-MM, Chapter 28 5.
  • Page 93 ACCESS ZONES TASK NUMBER MECH OTHER NOTE To be performed every 4 years or at 5000 hours of component inspection (task 600EL, 429-MM, Chapter 63 631002), Restoration of the Main Rotor 600ER, Transmission Assembly, whichever comes 600FL, 631001-1 first. 600FR 2.
  • Page 94 BHT-429-MPI Table 1. Scheduled Inspections - 4-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 7. Do a general visual inspection of the internal 200BR, 300-09 areas of the RH cockpit underfloor, to include lower 200CR sidebody and keel beam.
  • Page 95 100-07E-06 copilot lower nose compartment (wheeled landing 200AL gear only). COMPLETION TASKS 429-MM, Chapter 53 1. Install panels 100EL, 100ER, 100G, 200AL, 200AR, 200BL, 200BR, 200CC, 200CL, 200CR, 200DL, 200DR, 200EL, 200ER, 300IL, 300IR, 300JL, 300JR, 300KL, 300KR, 500AA, 500AF, 500C, 500D, 500E, 500F, 500EL, 500ER, 500G, 600CL, 600CR, 600EL, 600ER, 600FL, and 600FR.
  • Page 96 BHT-429-MPI Intentionally blank page 429-A-05-40-00-11A-281A-A Applicable to: ALL Page 6 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 97 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 98 BHT-429-MPI Table 1. Scheduled Inspections - 5-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER ZONAL INSPECTIONS 1. Do a general visual inspection of the wiring 100-01E-03 200AR directly below the pilot pedal linkages. 2. Do a general visual inspection of the wiring...
  • Page 99 (429-799-049) is installed. 2. Do a detailed inspection of the single or the 429-799-049 dual patient restraint belt webbing and buckle for 200DL, condition, if patient restraint kit (429-799-049) is 200DR 252102 installed. 3. Do a general visual inspection of the single...
  • Page 100 4. Do a general visual inspection of the dual patient 429-799-049 200DL, restraint aft attachment assembly, if patient restraint 200DR 252201 kit (429-799-049) is installed. 100A, 5. Do a detailed inspection of the nose shelf, 100DL, 429-MM, Chapter 53 pedestal, nose forward bulkhead, and nose aft...
  • Page 101 DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 500D, 429-MM, Chapter 53 16. Do a detailed inspection of the horizontal 500EL, 511, 512 stabilizer spar tube assembly and spar tube fitting. 535003-2 500ER 17. Do a special detailed inspection of the internal...
  • Page 102 BHT-429-MPI Table 1. Scheduled Inspections - 6-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 10. Do a general visual inspection of the external 200-09 areas of the RH cabin area, to include the sidebody 200G panels and the cabin doors.
  • Page 103 1. Install panels 100A, 100DL, 100DR, 100F, 100G, 200AL, 200AR 200BL, 200BR, 200DL, 200DR 200EL, 200ER, 200F, 200G, 300AL, 300AR, 300BL, 429-MM, Chapter 53 300BR, 300CL, 300CR, 300D, 300E, 300F, 300G, 300H, 300IL, 300IR, 300J, 300JL, 300JR, 300KL, 300KR, 400A, 400B, 400C, 500C, 500D, 500EL, 500ER, 600EL, 600ER, 600FL, and 600FR.
  • Page 104 BHT-429-MPI Intentionally blank page 429-A-05-40-00-13A-281A-A Applicable to: ALL Page 6 Issue 2 - 3 DEC 2019 ECCN EAR99...
  • Page 105 BHT-429-MPI Scheduled Inspections - 7-Year Inspection Procedure Table 1. Scheduled Inspections - 7-Year Inspection INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER DATE: __________________W.O. FACILITY: HELICOPTER S/N: REGISTRY NO.: TOTAL TIME: SIGNATURE: NOTE To be performed every 7 years.
  • Page 106 BHT-429-MPI Intentionally blank page 429-A-05-40-00-13A-281C-A Applicable to: ALL Page 2 Issue 1 - 14 JAN 2019 ECCN EAR99...
  • Page 107 5. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 6. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 7. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 8. Ensure all required inspections of installed...
  • Page 108 BHT-429-MPI Table 1. Scheduled Inspections - 8-Year Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 5. Do a general visual inspection of the external 300-12 areas of the center cockpit underfloor, to include access panels.
  • Page 109 5. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 6. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 7. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 8. Ensure all required inspections of installed...
  • Page 110 281006 FUSELAGE 1. Do a restoration (overhaul) of the single or dual 429-799-049 patient restraint shoulder harness and lap end assemblies, if patient restraint kit (429-799-049) is 252103 installed. ZONAL INSPECTIONS 1. Do a general visual inspection of the internal...
  • Page 111 2. Ensure compliance with all applicable airworthiness directives. 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 429-MM, Chapter 26 4. Discard the portable fire extinguisher (if installed). 262202 Applicable to: ALL 429-A-05-40-00-15A-281C-A ECCN EAR99...
  • Page 112 BHT-429-MPI Intentionally blank page 429-A-05-40-00-15A-281C-A Applicable to: ALL Page 2 Issue 1 - 14 JAN 2019 ECCN EAR99...
  • Page 113 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Record accomplishment of this inspection in the helicopter log book.
  • Page 114 Table 1. Scheduled Inspections - 5000-Hour Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER COMPLETION TASKS 1. Install panels 600EL, 600ER, 600FL, 600FR, 429-MM, Chapter 53 and 700GR. 429-A-05-40-00-16A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 115 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 116 BHT-429-MPI Intentionally blank page 429-A-05-40-00-17A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 117 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 118 BHT-429-MPI Intentionally blank page 429-A-05-40-00-18A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 119 4. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 5. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 6. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 7. Ensure all required inspections of installed...
  • Page 120 BHT-429-MPI Intentionally blank page 429-A-05-40-00-19A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 121 10. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 11. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 12. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 13. Ensure all required inspections of installed...
  • Page 122 BHT-429-MPI Intentionally blank page 429-A-05-40-00-20A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 123 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 124 Table 1. Scheduled Inspections — 400-Flight Cycle Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 32 7. Do a functional check of the aft pivot assembly bushings. 327010 COMPLETION TASKS 429-MM, Chapter 53 1. Install panels 200CL, 200CC, and 200CR. 429-A-05-40-00-32A-281A-A...
  • Page 125 PREPARATION TASKS None SKID LANDING GEAR ASSEMBLY NOTE Retirement index number (RIN) is a Bell method of tracking cycle lifed components, (Bell information letter GEN-03-94). 429-MM, Chapter 32 1. Do a crosstube deflection check of the skid landing gear assembly.
  • Page 126 BHT-429-MPI Intentionally blank page 429-A-05-40-00-21A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 127 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Record accomplishment of this inspection in the helicopter log book. PREPARATION TASKS 429-MM, Chapter 53 1.
  • Page 128 BHT-429-MPI Intentionally blank page 429-A-05-40-00-22A-281A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 129 Special Inspections - General Special inspections are of a temporary nature (e.g., opportunity inspections, etc.) or occur at special intervals that are not consistent with the scheduled inspections. Torque/Friction Check (429-A-05-50-00-00A-283A-A) Opportunity Inspection - Component Removal (429-A-05-50-00-01A-283A-A) Applicable to: ALL 429-A-05-50-00-00A-028A-A ECCN EAR99...
  • Page 130 BHT-429-MPI Intentionally blank page 429-A-05-50-00-00A-028A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 131 HELICOPTER S/N: REGISTRY NO.: TOTAL TIME: SIGNATURE: Do a torque check of the tailboom 429-MM, Chapter 53 attachment to the aft fuselage. Do a torque check of the main rotor 429-MM, Chapter 62 mast nut. Do a torque check of the through bolts 429-MM, Chapter 62 of the main rotor hub assembly.
  • Page 132 BHT-429-MPI Intentionally blank page 429-A-05-50-00-00A-283A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 133 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Ensure all required inspections of installed...
  • Page 134 Table 1. Special Inspections - Opportunity Inspections - Component Removal (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER COMPLETION TASKS 1. Install panels 600ER, 600EL, 600FL, 600FR, 429-MM, Chapter 53 and 700GR. 429-A-05-50-00-01A-283A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 135 The PW207D1/D2 Maintenance Manual (P/N 3071602) includes all of the instructions for continued airworthiness for the PW207D1/D2 engines, as installed in the Model 429 helicopter and operated in accordance with the limitations contained in the Flight Manual (BHT-429-FM-1, Section 1).
  • Page 136 BHT-429-MPI Intentionally blank page 429-A-05-50-00-01A-028A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 137 A landing with forward airspeed on soft or unprepared ground If a hard landing is reported and/or suspected, do an initial inspection of the helicopter as follows: 429-MM, Chapter 64 TAIL ROTOR 1. Visually examine both tail rotor hub and blade assemblies for damage.
  • Page 138 5. If no damage is found on the forward clamp assemblies, aft pivot assembly, and surrounding structure, replace the damaged components of the landing gear as required. 429-MM, Chapter 62 MAIN ROTOR 1. Do a visual inspection of the main rotor blades as follows: a.
  • Page 139 Total Indicated Runout (TIR) . 2. Do a preflight check and if no other damage is found, return the BHT-429-FM-1, Section 2 helicopter to service. If damage was found other than a bent landing gear crosstube assembly...
  • Page 140 INSPECTION TASK DESCRIPTION MECH OTHER 4. Visually examine the tail skid and tail skid mounting points. Repair or 429-MM, Chapter 32 replace the damaged parts, as required. 429-MM, Chapter 63 MAIN ROTOR AND TAIL ROTOR DRIVE SYSTEMS 429-MM, Chapter 65 1.
  • Page 141 MECH OTHER (3) Send the mast assembly to an approved repair facility to do a 429-MM, Chapter 63 detailed inspection of the mast assembly, including a check of the mast straightness and TIR (Total Indicated Runout). 10. Visually examine the transmission oil system for condition and leakage.
  • Page 142 A QUALIFIED PERSON MUST BE AT THE HELICOPTER CON- TROLS DURING THE FOLLOWING PROCEDURE. 2. Start the engines and do a one-hour ground run (100% rotor RPM BHT-429-FM-1, Section 2 3. Visually examine the transmission and engine oil systems, hydraulic system, and fuel system for leakage.
  • Page 143 (tail rotor) power ON or OFF inspection (429-A-05-50-00-02A-284A-A). If a sudden stoppage has occurred, do the following inspections: 429-MM, Chapter 62 MAIN ROTOR 429-MM, Chapter 18 1. Visually examine the product balance weight pocket of each main rotor blade for any of the following: a.
  • Page 144 (3) Send all the main rotor blades to an approved facility for further inspection and repair. (4) Disassemble, clean, and do a detailed inspection of the main rotor 429-MM, Chapter 62 hub assembly. d. If no damage is found on any main rotor blade, the main rotor blades are serviceable.
  • Page 145 Return Material Autho- rization (RMA) number. b. If the mast assembly is outside the TIR limits, send the mast assembly to Bell for confirmation of the torsional yielding. Upon confirmation, do the following: (1) Discard the mast assembly.
  • Page 146 BECAUSE OF A SUDDEN STOPPAGE tag on the mast assembly and on the transmission assembly. (3) Disassemble, clean, and do a detailed inspection of the mast 429-MM, Chapter 63 assembly. (4) Send the transmission assembly to an approved repair facility to 429-MM, Chapter 63 disassemble, clean, and do a detailed inspection.
  • Page 147 2. If the tail rotor driveshafts show signs of torsional yielding, do a sudden stoppage (tail rotor) power ON or OFF inspection (429-A-05-50-00-02A-284A-A). 429-MM, Chapter 71 POWER PLANT 1. Visually examine the attachment points of the engine mounts at the fuselage for cracks.
  • Page 148 BHT-429-MPI ICN-429-A-055000-B-97499-00001-A-001-01 Figure 1. Product Balance Weight Pocket - Conditional Inspections (Sheet 1 of 1) 429-A-05-50-00-01A-284A-A Applicable to: ALL Page 6 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 149 • The tail rotor driveshaft adapter(s) are distorted beyond the limits specified in 429-MM, Chapter If a sudden stoppage has occurred, do the following inspections: 429-MM, Chapter 65 TAIL ROTOR DRIVE SYSTEM SN: 57001-57080 : 1. Do an inspection of the forward driveshaft assembly and grease coupling assemblies as follows: a.
  • Page 150 BHT-429-MPI Table 1. Conditional Inspections - Sudden Stoppage (Tail Rotor) Power ON or OFF (continued) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER d. If the visual inspection shows no signs of damage, the forward driveshaft assembly and grease coupling assemblies are serviceable.
  • Page 151 Attach a THIS COMPONENT WAS REMOVED FROM SERVICE BECAUSE OF A SUDDEN STOPPAGE tag on the tail rotor gearbox. e. Send the tail rotor gear box to an approved repair facility to 429-MM, Chapter 65 disassemble, clean, and do a detailed inspection. 429-MM, Chapter 67 FLIGHT CONTROLS 1.
  • Page 152 4. If the visual inspection shows no signs of damage, the directional controls are serviceable. TAIL ROTOR 429-MM, Chapter 64 1. If the sudden stoppage is the result of a tail rotor blade strike, discard both tail rotor hub and blade assemblies.
  • Page 153 MAIN ROTOR OVERSPEED - IN EXCESS OF 118% If a main rotor overspeed in excess of 118% has occurred, do the following inspections: 429-MM, Chapter 62 MAIN ROTOR 1. Do an inspection of each main rotor blade as follows: a. Remove and clean the main rotor blade.
  • Page 154 BECAUSE OF A MAIN ROTOR OVERSPEED tag on the main rotor hub assembly. (5) Disassemble, clean, and do a detailed inspection of the main rotor 429-MM, Chapter 62 hub assembly. c. If no damage is found, the main rotor hub assembly is serviceable.
  • Page 155 2. Examine the engine-to-transmission driveshafts for condition and 429-MM, Chapter 63 security of attachment. 3. Examine all of the tail rotor driveshafts for condition and security of 429-MM, Chapter 65 attachment.
  • Page 156 BHT-429-MPI ICN-429-A-055000-B-97499-00001-A-001-01 Figure 1. Product Balance Weight Pocket - Conditional Inspections (Sheet 1 of 1) 429-A-05-50-00-03A-284A-A Applicable to: ALL Page 4 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 157 NOTE For One Engine Inoperative (OEI) overtorque, refer to the OEI limit override inspection (429-A-05-50-00-06A-284A-A). An overtorque is an incident in which torsional loads greater than those permitted have been applied to the helicopter dynamic system. OVERTORQUE - 101 TO 110% If an overtorque of 101 to 110% has occurred, no airframe inspection is required.
  • Page 158 BECAUSE OF AN OVERTORQUE tag on the main rotor hub assembly. (6) Disassemble, clean, and do a detailed inspection of the main rotor 429-MM, Chapter 62 hub assembly. c. If no damage is found, the main rotor hub assembly is serviceable.
  • Page 159 DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 429-MM, Chapter 65 TAIL ROTOR DRIVE SYSTEM 1. Visually examine the chip detector of the tail rotor gearbox for contamination. If there are unwanted particles, do the following: a. Remove the tail rotor gearbox.
  • Page 160 MECH OTHER 2. Start the engines and do a one-hour ground run (100% rotor RPM BHT-429-FM-1, Section 2 3. Visually examine the transmission and engine oil systems and the fuel system for leakage. 4. Visually examine the chip detectors of the transmission assembly and tail rotor gearbox for contamination.
  • Page 161 EXCEED or 1/2 OEI TIME USED caution message indicating that an OEI exceedance has been recorded. 1. For detailed maintenance actions, go to the OEI history display on the 429-MM, Chapter 95 DU and view the OEI exceedances. 2. If an OEI exceedance has occurred, do the following inspections:...
  • Page 162 BHT-429-MPI Intentionally blank page 429-A-05-50-00-05A-284A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 163 OVRD USED warning message indicating that an OEI limit override has been recorded. 1. For detailed maintenance actions, go to the OEI history display on the 429-MM, Chapter 95 DU and view the OEI exceedances. 2. If an OEI exceedance has occurred, do the following inspections:...
  • Page 164 OEI limit override. 6. Replace the bull gear. COMPLETION TASKS 1. Visually examine the electrical circuits of the transmission chip 429-MM, Chapter 63 detectors for continuity. A QUALIFIED PERSON MUST BE AT THE HELICOPTER CON- TROLS DURING THE FOLLOWING PROCEDURE.
  • Page 165 If a compressor stall or surge is reported and/or suspected, do the following inspections: 429-MM, Chapter 71 POWER PLANT 1. Visually examine the inlet Foreign Object Damage (FOD) screen or the inlet barrier filter (if installed) for blockage.
  • Page 166 6. If no damage is found on the gears, the transmission assembly is serviceable. 429-MM, Chapter 65 TAIL ROTOR DRIVE SYSTEM 1. On the tail rotor gearbox, remove the inspection plug. 2. Examine the contact patterns of the pinion gear with a strong light.
  • Page 167 MECH OTHER b. If no damage is found, the tail rotor driveshaft assembly is serviceable. 429-MM, Chapter 64 TAIL ROTOR 1. Do an inspection of each tail rotor blade as follows: a. Visually examine the tail rotor blade for condition.
  • Page 168 INSPECTION TASK DESCRIPTION MECH OTHER 3. Visually examine the rotating controls and replace any unserviceable parts as necessary. 429-MM, Chapter 53 FUSELAGE 1. Examine the fuselage structure that supports the pylon beam assemblies for distortion, buckles, cracks, and sheared or loose fasteners.
  • Page 169 Visually examine the following components for signs of arcing, burning, and condition, specially in the area around the mounting bolts and electrical bonding straps: 429-MM, Chapter 62 • Main rotor hub and blade assembly 429-MM, Chapter 63 • Transmission and mast assembly •...
  • Page 170 OTHER NOTE The degree of inaccuracy may indicate how dangerous the light- ning strike damage is. 429-MM, Chapter 95 • Magnetic compass for accuracy • Pitot tubes, static ports, OAT probe, and associated system outputs for accuracy 429-MM, Chapter 96 •...
  • Page 171 BECAUSE OF A LIGHTNING STRIKE tag on the swashplate and support assembly. b. Clean and do a detailed inspection of the swashplate and support 429-MM, Chapter 62 assembly. If required send the swashplate and support assembly to an approved repair facility for inspection and restoration.
  • Page 172 Refer to General Information Letter (IL) GEN-04-98 for the appli- cable shipping information and to obtain a Return Material Autho- rization (RMA) number. c. Send the engine-to-transmission driveshafts to Bell for further inspection and repair. 429-MM, Chapter 64 TAIL ROTOR 1.
  • Page 173 INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 429-MM, Chapter 64 TAIL ROTOR CONTROLS 1. Do an inspection of the tail rotor controls as follows: 429-MM, Chapter 67 a. Visually examine each pitch link assembly for condition. If signs of arcing are visible, discard the pitch link.
  • Page 174 Attach a THIS COMPONENT WAS REMOVED FROM SERVICE BECAUSE OF A LIGHTNING STRIKE tag on the tail rotor gearbox. c. Send the tail rotor gearbox to an approved repair facility to 429-MM, Chapter 65 disassemble, clean, and do a detailed inspection. ELECTRICAL SYSTEM 1.
  • Page 175 BHT-ALL-SRM, Chapter 1. Do an inspection of all the parts/components of the flight controls for 2, Structural Repair Manual contamination. 429-MM, Chapter 62 MAIN ROTOR 1. Remove the main rotor blades. 2. Remove the main rotor hub assembly. 3. Attach a THIS COMPONENT WAS REMOVED FROM SERVICE BECAUSE OF A WATER IMMERSION tag on the main rotor hub assembly and on each main rotor blade.
  • Page 176 DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 5. Disassemble, clean, and do a detailed inspection of the main rotor 429-MM, Chapter 62 hub assembly. 429-MM, Chapter 64 TAIL ROTOR 1. Remove the tail rotor blades. 2. Remove the tail rotor hub assemblies.
  • Page 177 20. Attach a THIS COMPONENT WAS REMOVED FROM SERVICE BECAUSE OF A WATER IMMERSION tag on the tail rotor gearbox. 21. Send the tail rotor gearbox to an approved repair facility to 429-MM, Chapter 65 disassemble, clean, and do a detailed inspection of the tail rotor gearbox.
  • Page 178 BHT-429-MPI Intentionally blank page 429-A-05-50-00-09A-284B-A Applicable to: ALL Page 4 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 179 Hail damage affects large surface areas of the helicopter. In most cases, Bell recommends replacement of any part(s) showing hail damage. If flight through hail is reported, do an inspection of the helicopter for hail...
  • Page 180 2. Visually examine the windows for crazing, cracks, shattering, and impact damage. Pay extra attention to the windshield, crew door windows, and chin bubbles. 429-MM, Chapter 62 MAIN ROTOR 1. Visually examine the main rotor blades for cracks, dents, tears, impact damage, and condition of the coating.
  • Page 181 Table 1. Conditional Inspections - Flight Through Hail (continued) INITIAL DATA REFERENCE INSPECTION TASK DESCRIPTION MECH OTHER 429-MM, Chapter 67 FLIGHT CONTROLS 1. Visually examine the rotating controls of the tail rotor directional controls for impact damage and replace any unserviceable parts as required. 429-MM, Chapter 32 LANDING GEAR 1.
  • Page 182 BHT-429-MPI Intentionally blank page 429-A-05-50-00-10A-284A-A Applicable to: ALL Page 4 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 183 Pay extra attention to the leading edge abrasion strips, trailing edge, and after-body region of 429-MM, Chapter 64 blade. Note that delaminations can exist without any visual indications; therefore, the blade must be examined for voids using tap inspection techniques.
  • Page 184 BHT-429-MPI Intentionally blank page 429-A-05-50-00-11A-284A-A Applicable to: ALL Page 2 Issue 1 - 10 JAN 2019 ECCN EAR99...
  • Page 185 The only warranty applicable to the helicopter or any component is the warranty included in the Purchase Agreement for the helicopter or the component. The inspection program for the components of the Model 429 helicopter is based on the component operating time and consists of the following: 1000-hour inspection (429-A-05-40-00-29A-281A-A): Complete the inspection every 1000 hours of component operating time.
  • Page 186 Driveshaft must be overhauled at 5000 hours of operation and every 2500 hours of operation thereafter. Overhaul is to be accomplished by Kamatics Corporation only. Return driveshaft to Bell Helicopter Textron (BHT) per IL GEN-04-98. 429-A-05-40-00-01A-028A-A...
  • Page 187 To be performed every 1000 hours of operat- ing time. GENERAL 429-A-04-00-00-00A-009A-A 1. Ensure life limited parts do not exceed service life. 429-MM, Chapter 12 2. Ensure all required lubrication tasks have been performed. 429-A-05-40-00-22A-281A-A 3. Ensure all required miscellaneous inspections have been performed, as applicable.
  • Page 188 BHT-429-MPI Intentionally blank page 429-A-05-40-00-29A-281A-A Applicable to: ALL Page 2 Issue 1 - 3 DEC 2019 ECCN EAR99...
  • Page 189 3. Ensure life limited parts do not exceed service 429-A-04-00-00-00A-009A-A life. 4. Ensure all required lubrication tasks have been 429-MM, Chapter 12 performed. 5. Ensure all required miscellaneous inspections 429-A-05-40-00-22A-281A-A have been performed, as applicable. 6. Record accomplishment of this inspection in the helicopter log book.
  • Page 190 INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER 429-MM, Chapter 62 b. Restoration (overhaul) of the drive link assembly. 623008 429-MM, Chapter 62 c. Restoration (overhaul) of the sleeve assembly. 623010 429-MM, Chapter 62 d. Restoration (overhaul) of the collective lever link.
  • Page 191 Table 1. Scheduled Component Inspections - 5000-Hour Inspection (continued) INITIAL DATA REFERENCE/IMRR TASK DESCRIPTION ACCESS ZONES TASK NUMBER MECH OTHER COMPLETION TASKS 1. Install panels 500G, 600EL, 600ER, 600FL, and 429-MM, Chapter 53 600FR. Applicable to: ALL 429-A-05-40-00-23A-281A-A ECCN EAR99 10 JAN 2019 - Issue 1 Page 3...
  • Page 192 BHT-429-MPI Intentionally blank page 429-A-05-40-00-23A-281A-A Applicable to: ALL Page 4 Issue 1 - 10 JAN 2019 ECCN EAR99...
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