AD/PA-31/4 Amdt 1 - Elevator Torque Tube - Inspection
1AD/PA-31/4 Amdt 1 - Elevator Torque Tube - Inspection
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Piper PA-31 Series Aeroplanes
AD/PA-31/4
Amdt 1
Elevator Torque Tube - Inspection 12/68
Applicability: All models not modified in accordance with Section 11 of Piper SB No. 284.
Requirement: Remove the elevator torque tube assembly from the aircraft and dismantle the horn assembly P/N 40006-00 and brackets P/N 40066-00 from the tube. Remove the finish from the tube and inspect for cracking using dye penetrant or magnetic particle methods.
Compliance: At intervals not exceeding 100 hours time in service.