Garmin GNC 420A Installation Manual page 102

6. Troubleshooting Information
Refer to the 400 Series Maintenance Manual.
7. Removal and Replacement Information
Refer to section 3.8 of this manual. If the unit is removed and reinstalled, a functional check of the
equipment should be conducted in accordance with section 5.3 of this manual.
8. Diagrams
Refer to sections 3 and 4 of this manual.
9. Special Inspection Requirements
N/A
10. Application of Protective Treatments
N/A
11. Data: Relative to Structural Fasteners
Antenna installation, removal and replacement should be in accordance with applicable provisions of
AC43.13-1A and 43.13-2A. Also, refer to section 3.7 of this manual.
12. Special Tools
N/A
13. This Section is for Commuter Category Aircraft Only
A. Electrical loads: Refer to section 1.3.2 of this manual.
B. Methods of balancing flight controls: N/A.
C. Identification of primary and secondary structures: N/A.
D. Special repair methods applicable to the airplane: Antenna installation, removal, and replacement
should be in accordance with applicable provisions of AC43.13-1B and 43.13-2A.
14. Overhaul Period
No additional overhaul time limitations.
15. Airworthiness Limitation Section
Refer to the [400 Series unit] Sample Flight Manual Supplement.
16. Revision
To revise this ICA, a letter must be submitted to the local FSDO with a copy of the revised FAA Form
337, and revised ICA. The FAA inspector accepts the change by signing Block 3 and including the
following statement:
"The attached revised/new Instructions for Continued Airworthiness (date ______) for the above
aircraft or component major alteration have been accepted by the FAA, superseding the Instructions
for Continued Airworthiness (date ______)."
17. Assistance
Flight Standards Inspectors have the resources to respond to questions regarding the ICA.
18. Implementation and Record Keeping
For major alterations performed in accordance with FAA field approval policy, the owner/operator
operating under Part 91 is responsible for ensuring that the ICA is made part of the applicable section
91.409 inspection program for their aircraft. This is accomplished when a maintenance entry is made
in the aircraft's maintenance record in accordance with section 43.9. This entry records the major
alteration and identifies the original ICA location (e.g., Block 8 of FAA Form 337, dated ______)
along with a statement that the ICA is now part of the aircraft's inspection/maintenance requirements.
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400 SERIES INSTALLATION MANUAL
P/N 190-00140-02