Federal Register of Legislation
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES
Grumman G21 (Goose) Series Aeroplanes
AD/G21/1 Below Floor Control System Components - Inspection
10/77
Applicability: All models.
Requirement: 1. Remove and disassemble:
(i) Elevator Torque Tube Assembly P/N 12755,
(ii) Rudder Torque Tube Assembly P/N 12756,
(iii) Rudder Pedal Torque Tube Assembly LH and RH P/N 12757 and 12758,
(iv) Hinge Support Assembly P/N 12725.
2. Inspect all parts for corrosion and/or cracks using visual and dye penetrant or magnetic particle techniques.
Note: FAA AD 73-12-6 Amendment 39-1657 refers.
Compliance: Initially before issue of Certificate of Airworthiness and there- after at intervals not exceeding 2000 hours time in service or two years whichever occurs first.
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