Airbus A350 Technical Training Manual
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Airbus A350 Technical Training Manual

Airbus A350 Technical Training Manual

T1+t2 - rr trent xwb doors
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A350
TECHNICAL TRAINING MANUAL
MAINTENANCE COURSE - T1+T2 - RR Trent XWB
Doors

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Summary of Contents for Airbus A350

  • Page 1 A350 TECHNICAL TRAINING MANUAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB Doors...
  • Page 3 No part of this manual may be reproduced in any form, by photostat, microfilm, retrieval system, or any other means, without the prior written permission of AIRBUS S.A.S. AIRBUS Environmental Recommendation Please consider your environmental responsability before printing this document.

  • Page 5: Table Of Contents

    A350 TECHNICAL TRAINING MANUAL DOORS Cockpit Door Description (2/3) ......2 Escape Hatch Description (2/3) .

  • Page 6: Cockpit Door Description (2/3)

    A350 TECHNICAL TRAINING MANUAL COCKPIT DOOR DESCRIPTION (2/3) General The cockpit door is a bullet-proof door with an electro-mechanically operated release system: the Cockpit Door Locking System (CDLS). The primary functions of the door are to: - Make the cockpit safe to prevent access from the cabin by persons who are not approved.
  • Page 7 A350 TECHNICAL TRAINING MANUAL GENERAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB COCKPIT DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 3...
  • Page 8 A350 TECHNICAL TRAINING MANUAL COCKPIT DOOR DESCRIPTION (2/3) The CDLS has an interface with an optional Cockpit Door Surveillance Cockpit Door Locking System System (CDSS) to help the flight crew to identify persons who want to get access to the cockpit.
  • Page 9 A350 TECHNICAL TRAINING MANUAL COCKPIT DOOR LOCKING SYSTEM MAINTENANCE COURSE - T1+T2 - RR Trent XWB COCKPIT DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 5...
  • Page 10 A350 TECHNICAL TRAINING MANUAL COCKPIT DOOR DESCRIPTION (2/3) Electrical Strikes and Door Bolting System The electrical lock system has three electrical strikes that are installed in the right-hand door post. The CDLCU controls the power to the solenoid coils of the catch pins during the locked condition.
  • Page 11 A350 TECHNICAL TRAINING MANUAL ELECTRICAL STRIKES AND DOOR BOLTING SYSTEM MAINTENANCE COURSE - T1+T2 - RR Trent XWB COCKPIT DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 7...
  • Page 12 A350 TECHNICAL TRAINING MANUAL COCKPIT DOOR DESCRIPTION (2/3) Door Damping Door Damper Assembly The door damper connects the cockpit door to the cross beam subassembly. During normal opening and closing, the door damper will safely control the free movement of the door. To prevent any aircraft dispatch delay after the damper is blocked, a manual override handle is used.
  • Page 13 A350 TECHNICAL TRAINING MANUAL DOOR DAMPING - DOOR DAMPER ASSEMBLY & DECOMPRESSION DECELERATION DEVICE (DDD) MAINTENANCE COURSE - T1+T2 - RR Trent XWB COCKPIT DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 9...
  • Page 14 A350 TECHNICAL TRAINING MANUAL COCKPIT DOOR DESCRIPTION (2/3) Cabin Decompression and Evacuation Panel A flap release mechanism is installed on the decompression and evacuation panel. The panel is kept locked by two latches during normal operation. If there is a rapid cabin decompression, this panel opens into the direction of the cabin.
  • Page 15 A350 TECHNICAL TRAINING MANUAL CABIN DECOMPRESSION AND EVACUATION PANEL MAINTENANCE COURSE - T1+T2 - RR Trent XWB COCKPIT DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 11...

  • Page 16: Escape Hatch Description (2/3)

    A350 TECHNICAL TRAINING MANUAL ESCAPE HATCH DESCRIPTION (2/3) General The cockpit escape hatch is installed on the top right side of the nose fuselage. This emergency exit is a plug type door for cockpit crew evacuation. It is opened with an inward rotation movement. Two hinge arms move the cockpit escape hatch through its turn.
  • Page 17 A350 TECHNICAL TRAINING MANUAL GENERAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB ESCAPE HATCH DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 13...
  • Page 18 A350 TECHNICAL TRAINING MANUAL ESCAPE HATCH DESCRIPTION (2/3) Latching Mechanism The latching mechanism has the self-lubricated components that follow: - 1 handle assembly to open/close the hatch - 2 latch fingers - 1 spring rod which keeps it in the unlatched/latched position.
  • Page 19 A350 TECHNICAL TRAINING MANUAL LATCHING MECHANISM MAINTENANCE COURSE - T1+T2 - RR Trent XWB ESCAPE HATCH DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 15...

  • Page 20: Privacy Door Description (Option) (2/3)

    A350 TECHNICAL TRAINING MANUAL PRIVACY DOOR DESCRIPTION (OPTION) (2/3) General The optional Privacy Door makes sure that passengers cannot see into the cockpit or see the code entered on the cockpit door keypad. This door is not a security door. It opens in the direction of the corridor.
  • Page 21 A350 TECHNICAL TRAINING MANUAL GENERAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB PRIVACY DOOR DESCRIPTION (OPTION) (2/3) Jul 10, 2014 52 - Doors Page 17...

  • Page 22: Passenger Doors Description (2/3)

    A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Passenger Door Description The eight passenger doors are plug doors with a fail-safe structure. It is possible to operate them manually from the inner side or outer side of the aircraft. They open out and turn around a door support. The passenger doors participate to the cabin pressurization and have an inflatable rubber door-seal.
  • Page 23 A350 TECHNICAL TRAINING MANUAL PASSENGER DOOR DESCRIPTION MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 19...
  • Page 24 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Handles Operation It is possible to open and close the door manually with an inner and an outer handle. During this operation, one mechanism with a gearbox lifts/lowers, latches/unlatches and locks/unlocks the door mechanically.
  • Page 25 A350 TECHNICAL TRAINING MANUAL HANDLES OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 21...
  • Page 26 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Latch and Lock Mechanisms The latch mechanism has two latches, which are installed at the forward and aft edges of the door and operate independently from each other. During latch operation, they engage into latch brackets on the side of the door-frame.
  • Page 27 A350 TECHNICAL TRAINING MANUAL LATCH AND LOCK MECHANISMS MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 23...
  • Page 28 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Lifting and Lowering Mechanism The support arm of the passenger door holds and turns the door while it is lifted and lowered. An anti-lowering lever prevents this movement unless the door touches the door-frame. Then, the door can be lifted away from the door frame stop-fittings to open it, and lowered to close it.
  • Page 29 A350 TECHNICAL TRAINING MANUAL LIFTING AND LOWERING MECHANISM MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 25...
  • Page 30 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Door Stay Mechanism The door stay mechanism (or door gust lock) in the support arm has a trigger and a door stay hook. When the door is fully open, the hook holds the door in position.
  • Page 31 A350 TECHNICAL TRAINING MANUAL DOOR STAY MECHANISM MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 27...
  • Page 32 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Emergency Operation General The cabin crew must arm the emergency mechanism of the passenger doors before each flight. To do this, they use the inner Slide Selector Lever, which mechanically controls the arming mechanisms of the slide and the DEOA.
  • Page 33 A350 TECHNICAL TRAINING MANUAL EMERGENCY OPERATION - GENERAL & SAFETY PIN MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 29...
  • Page 34 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) Girt Bar Operation Each door has a girt bar that mechanically connects the slides to the fuselage. When the Slide Selector Lever moves to the DISARMED position, the control shaft turns and disengages the girt bar from the floor fittings.
  • Page 35 A350 TECHNICAL TRAINING MANUAL GIRT BAR OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 31...
  • Page 36 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) DEOA Function and Description DEOA Description The DEOA has: - A pressurized gas bottle - An actuator. This actuator is a hydraulic damper or a gas piston (emergency operation). - An actuating lever that touches the slide arming mechanism, when the Slide Selector Lever is in the ARMED position.
  • Page 37 A350 TECHNICAL TRAINING MANUAL DEOA FUNCTION AND DESCRIPTION - DEOA DESCRIPTION ... INDICATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 33...
  • Page 38 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS DESCRIPTION (2/3) DEOA Servicing Servicing of the DEOA components is not possible. If the pressurized gas bottle pressure is not in the green band, discard the DEOA and install a new one. The DEOA must be deactivated during maintenance on the passenger...
  • Page 39 A350 TECHNICAL TRAINING MANUAL DEOA SERVICING MAINTENANCE COURSE - T1+T2 - RR Trent XWB PASSENGER DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 35...

  • Page 40: Fwd And Aft Cargo Doors Description (2/3)

    A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS DESCRIPTION (2/3) General The two cargo compartment doors are similar by design, but their sizes are different. They open out and up, they turn (piano hinge) on their upper edge and they are hydraulically operated by one actuator. Control handles...
  • Page 41 A350 TECHNICAL TRAINING MANUAL GENERAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 37...
  • Page 42 A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS DESCRIPTION (2/3) Handle Group The lock handle and the latch handle are in the forward side of each door. The two handles are kept in the closed and open position by spring systems.

  • Page 43: Handle Group

    A350 TECHNICAL TRAINING MANUAL HANDLE GROUP MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 39...
  • Page 44 A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS DESCRIPTION (2/3) Latch and lock mechanism During the door closure, the latching handle moves the latching shaft, which operates the eight hooks. The hooks are engaged with the door frame fittings when the cargo door is latched. When latched and locked, the locking shaft also prevents the movement of the hooks, which are secured by locking cams.
  • Page 45 A350 TECHNICAL TRAINING MANUAL LATCH AND LOCK MECHANISM MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 41...

  • Page 46: Fwd And Aft Cargo Doors Actuation System Description (2/3)

    A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS ACTUATION SYSTEM DESCRIPTION (2/3) General After the manual unlock and unlatch of the FWD and AFT cargo doors, the doors start to open by gravity, because of their weight and can then be operated by the Cargo Door Actuation System (CDAS).
  • Page 47 A350 TECHNICAL TRAINING MANUAL GENERAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS ACTUATION SYSTEM Jul 10, 2014 52 - Doors DESCRIPTION (2/3) Page 43...
  • Page 48 A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS ACTUATION SYSTEM DESCRIPTION (2/3) - The cargo door is moved directly from the opened to the fully closed Door Operation position. - The cargo door is stopped in the middle position and then controlled Normal Operation in any direction.
  • Page 49 A350 TECHNICAL TRAINING MANUAL DOOR OPERATION - NORMAL OPERATION & MANUAL OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS ACTUATION SYSTEM Jul 10, 2014 52 - Doors DESCRIPTION (2/3) Page 45...
  • Page 50 A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS ACTUATION SYSTEM DESCRIPTION (2/3) Cargo Door Control Valves (CDCVs) General The CDCVs have some flow control devices which operate together to control the lower deck cargo-door actuators in the correct sequence and time.
  • Page 51 A350 TECHNICAL TRAINING MANUAL CARGO DOOR CONTROL VALVES (CDCVS) - GENERAL & NORMAL DOOR OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS ACTUATION SYSTEM Jul 10, 2014 52 - Doors DESCRIPTION (2/3) Page 47...
  • Page 52 A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS ACTUATION SYSTEM DESCRIPTION (2/3) Cargo Door Control Valves (CDCVs) (continued) Manual Door Operation When the CDOP manual override switch is turned (open or close), it manually operates the related CDCV solenoid valve.
  • Page 53 A350 TECHNICAL TRAINING MANUAL CARGO DOOR CONTROL VALVES (CDCVS) - MANUAL DOOR OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS ACTUATION SYSTEM Jul 10, 2014 52 - Doors DESCRIPTION (2/3) Page 49...
  • Page 54 A350 TECHNICAL TRAINING MANUAL FWD AND AFT CARGO DOORS ACTUATION SYSTEM DESCRIPTION (2/3) Lower Deck Cargo Door Actuator (LDCDA) Operation For loading operations, each cargo door is opened and closed by one LDCDA. The LDCDA is a dual-action hydraulic cylinder with an internal mechanical locking device.
  • Page 55 A350 TECHNICAL TRAINING MANUAL LOWER DECK CARGO DOOR ACTUATOR (LDCDA) OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB FWD AND AFT CARGO DOORS ACTUATION SYSTEM Jul 10, 2014 52 - Doors DESCRIPTION (2/3) Page 51...

  • Page 56: Cargo Doors Actuation System Maintenance (3)

    A350 TECHNICAL TRAINING MANUAL CARGO DOORS ACTUATION SYSTEM MAINTENANCE (3) Bleeding of Cargo Doors Actuation-System Install the cargo door support-strut. Disconnect the door actuator from the cargo door structure. Make sure that the actuator is kept in a horizontal position.
  • Page 57 A350 TECHNICAL TRAINING MANUAL BLEEDING OF CARGO DOORS ACTUATION-SYSTEM MAINTENANCE COURSE - T1+T2 - RR Trent XWB CARGO DOORS ACTUATION SYSTEM MAINTENANCE (3) Jul 10, 2014 52 - Doors Page 53...
  • Page 58 A350 TECHNICAL TRAINING MANUAL CARGO DOORS ACTUATION SYSTEM MAINTENANCE (3) Fwd/Aft Cargo-Door Backup Manual Operation If there is no electrical and/or hydraulic supply available from a ground cart, it is possible to operate the Fwd/Aft cargo door manually with an...
  • Page 59 A350 TECHNICAL TRAINING MANUAL FWD/AFT CARGO-DOOR BACKUP MANUAL OPERATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB CARGO DOORS ACTUATION SYSTEM MAINTENANCE (3) Jul 10, 2014 52 - Doors Page 55...

  • Page 60: Bulk Cargo Door Description (2/3)

    A350 TECHNICAL TRAINING MANUAL BULK CARGO DOOR DESCRIPTION (2/3) General The bulk cargo door is a failsafe plug-type door, installed on the rear part of the lower left side of the fuselage. Two hinge arms at the upper end attach the door.
  • Page 61 A350 TECHNICAL TRAINING MANUAL GENERAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB BULK CARGO DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 57...
  • Page 62 A350 TECHNICAL TRAINING MANUAL BULK CARGO DOOR DESCRIPTION (2/3) Pressure seal Bulk Cargo Door Description A seal is used for the aircraft pressurization sealing and to keep out Locking And Latching Mechanism water. The door latching mechanism is installed on the lower part of the door.
  • Page 63 A350 TECHNICAL TRAINING MANUAL BULK CARGO DOOR DESCRIPTION - LOCKING AND LATCHING MECHANISM ... PRESSURE SEAL MAINTENANCE COURSE - T1+T2 - RR Trent XWB BULK CARGO DOOR DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 59...

  • Page 64: Avionics Compartments Access Doors Description (2/3)

    A350 TECHNICAL TRAINING MANUAL AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION (2/3) Main Avionics-compartment Access-doors A number of accesses are available to the operator to go into the main avionics compartment. This is related to the location or activity of the operator. There is an access hatch in the cockpit floor, behind the captain's seat.
  • Page 65 A350 TECHNICAL TRAINING MANUAL MAIN AVIONICS-COMPARTMENT ACCESS-DOORS MAINTENANCE COURSE - T1+T2 - RR Trent XWB AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION Jul 10, 2014 52 - Doors (2/3) Page 61...
  • Page 66 A350 TECHNICAL TRAINING MANUAL AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION (2/3) Cockpit Floor Access Hatch The cockpit floor access hatch which has piano hinges on its rear edge and is latched on its FWD edge, is manually opened up in the cockpit.
  • Page 67 A350 TECHNICAL TRAINING MANUAL COCKPIT FLOOR ACCESS HATCH MAINTENANCE COURSE - T1+T2 - RR Trent XWB AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION Jul 10, 2014 52 - Doors (2/3) Page 63...
  • Page 68 A350 TECHNICAL TRAINING MANUAL AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION (2/3) Outer Avionics-compartment Access-door The outer avionics-compartment access door is a plug type and failsafe design, installed on the left side of the fuselage in the pressurized area. It opens manually, up and into the fuselage and can be opened and closed from the inside or the outside.
  • Page 69 A350 TECHNICAL TRAINING MANUAL OUTER AVIONICS-COMPARTMENT ACCESS-DOOR MAINTENANCE COURSE - T1+T2 - RR Trent XWB AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION Jul 10, 2014 52 - Doors (2/3) Page 65...
  • Page 70 A350 TECHNICAL TRAINING MANUAL AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION (2/3) Outer Avionics-compartment Access-door (continued) Latching Mechanism The door latching mechanism has: - One handle assembly, to latch/unlatch the door - Two latch fingers - One spring rod, to hold the unlatched/latched position.
  • Page 71 A350 TECHNICAL TRAINING MANUAL OUTER AVIONICS-COMPARTMENT ACCESS-DOOR - LATCHING MECHANISM MAINTENANCE COURSE - T1+T2 - RR Trent XWB AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION Jul 10, 2014 52 - Doors (2/3) Page 67...
  • Page 72 A350 TECHNICAL TRAINING MANUAL AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION (2/3) FWD Cargo to Main Avionics-compartment Access-door The fixed partition door gives access to the main avionics compartment from the FWD cargo compartment. It can be opened from the two sides, by a fixed handle on the avionics compartment and a special key on the FWD cargo compartment.
  • Page 73 A350 TECHNICAL TRAINING MANUAL FWD CARGO TO MAIN AVIONICS-COMPARTMENT ACCESS-DOOR MAINTENANCE COURSE - T1+T2 - RR Trent XWB AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION Jul 10, 2014 52 - Doors (2/3) Page 69...
  • Page 74 A350 TECHNICAL TRAINING MANUAL AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION (2/3) Aft Avionics Compartment Access-door A fixed partition door gives access to the aft avionics compartment from the bulk cargo compartment. It can be opened from the two sides, by a fixed handle on the avionics compartment and a special key on the bulk cargo.
  • Page 75 A350 TECHNICAL TRAINING MANUAL AFT AVIONICS COMPARTMENT ACCESS-DOOR MAINTENANCE COURSE - T1+T2 - RR Trent XWB AVIONICS COMPARTMENTS ACCESS DOORS DESCRIPTION Jul 10, 2014 52 - Doors (2/3) Page 71...

  • Page 76: Doors And Slides Control System Description (2/3)

    A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) energizes the residual cabin-pressure lights for the passenger and cargo General Presentation doors. The Doors and Slides Control System (DSCS) monitors the position of NOTE: - Buzzers for the residual cabin pressure audio warnings are the doors and the slide arming levers.

  • Page 77: General Presentation

    A350 TECHNICAL TRAINING MANUAL GENERAL PRESENTATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 73...
  • Page 78 A350 TECHNICAL TRAINING MANUAL GENERAL PRESENTATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 74...
  • Page 79 A350 TECHNICAL TRAINING MANUAL This Page Intentionally Left Blank MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 75...
  • Page 80 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Passenger Doors and Slides Status Monitoring The equipment installed in a passenger door includes: - Proximity sensors - A Door Operation Handle Switch (DOHS) - A Slide Lever Switch (SLS).
  • Page 81 A350 TECHNICAL TRAINING MANUAL PASSENGER DOORS AND SLIDES STATUS MONITORING MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 77...
  • Page 82 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Lower Deck Cargo Doors Status Monitoring There are (five) proximity sensors for each cargo door: - One sensor (S1) in the door to monitor the door latched and locked...
  • Page 83 A350 TECHNICAL TRAINING MANUAL LOWER DECK CARGO DOORS STATUS MONITORING MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 79...
  • Page 84 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Bulk Cargo Door Status Monitoring The bulk cargo door has on its door frame three proximity sensors to monitor its closed and latched status. Only the targets are attached to the latching mechanism (two on the FWD and one on the AFT edge).
  • Page 85 A350 TECHNICAL TRAINING MANUAL BULK CARGO DOOR STATUS MONITORING MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 81...
  • Page 86 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Escape Hatch and Avionics Access Doors Status Monitoring Each avionics access door, cockpit escape hatch and the two avionics internal access doors are monitored by one proximity sensor, for indication functions.
  • Page 87 A350 TECHNICAL TRAINING MANUAL ESCAPE HATCH AND AVIONICS ACCESS DOORS STATUS MONITORING MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 83...
  • Page 88 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) All Doors Status Monitoring for Pressurization Each CPIOM DSCS application transmits the ALL DOORS STATUS signal periodically to the CPCS, through AFDX and discrete signals. If one door is not closed, latched and locked or if there is a door failure...
  • Page 89 A350 TECHNICAL TRAINING MANUAL ALL DOORS STATUS MONITORING FOR PRESSURIZATION MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 85...
  • Page 90 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Thus any of the cargo and passenger doors residual pressure light can be Residual Pressure Warning energized even when there is a malfunction on a CPIOM or when the electrical power is removed on the aircraft.
  • Page 91 A350 TECHNICAL TRAINING MANUAL RESIDUAL PRESSURE WARNING MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 87...
  • Page 92 A350 TECHNICAL TRAINING MANUAL DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Slide Armed Warning The DSCS gives a visual indication 'SLIDE ARMED' and an optional aural warning (tone: 2900 HZ) at the related door DIP to prevent accidental deployment. The primary components of this warning function are:...
  • Page 93 A350 TECHNICAL TRAINING MANUAL SLIDE ARMED WARNING MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS AND SLIDES CONTROL SYSTEM DESCRIPTION (2/3) Jul 10, 2014 52 - Doors Page 89...

  • Page 94: Doors System Control And Indicating (2)

    A350 TECHNICAL TRAINING MANUAL DOORS SYSTEM CONTROL AND INDICATING (2) If the door is open from outside with the slide in armed configuration, it Passenger/Crew Door Operation (2) will be automatically disarmed. All advisory lights and buzzer signals are disabled in case of emergency...
  • Page 95 A350 TECHNICAL TRAINING MANUAL One Cargo Door Control Valve (CDCV), electrically triggered by the 0.36PSI (10 times more) and you get forces as high as 500daN and DSCS, controls the actuator on the associated cargo door. 1600daN respectively. When at least one engine is running, the CDAS is isolated from the Now the engineer wants to open the aircraft for catering and freight hydraulic system by a valve fitted to the Yellow HP manifold.
  • Page 96 A350 TECHNICAL TRAINING MANUAL When an authorized crew member wants to access into the cockpit, a Note: The locked/unlocked status of this panel is given by a green/red routine access code (preset by the airline) must be entered on the cockpit indicator.
  • Page 97 A350 TECHNICAL TRAINING MANUAL PASSENGER/CREW DOOR OPERATION (2) ... COCKPIT DOOR OPERATION (2) MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS SYSTEM CONTROL AND INDICATING (2) Jul 10, 2014 52 - Doors Page 93...
  • Page 98 A350 TECHNICAL TRAINING MANUAL PASSENGER/CREW DOOR OPERATION (2) ... COCKPIT DOOR OPERATION (2) MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS SYSTEM CONTROL AND INDICATING (2) Jul 10, 2014 52 - Doors Page 94...
  • Page 99 A350 TECHNICAL TRAINING MANUAL PASSENGER/CREW DOOR OPERATION (2) ... COCKPIT DOOR OPERATION (2) MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS SYSTEM CONTROL AND INDICATING (2) Jul 10, 2014 52 - Doors Page 95...
  • Page 100 A350 TECHNICAL TRAINING MANUAL PASSENGER/CREW DOOR OPERATION (2) ... COCKPIT DOOR OPERATION (2) MAINTENANCE COURSE - T1+T2 - RR Trent XWB DOORS SYSTEM CONTROL AND INDICATING (2) Jul 10, 2014 52 - Doors Page 96...
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