COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-25 (Pawnee) Series Aeroplanes
AD/PA-25/29 Wing Strut - Inspection 4/69
Applicability: All models with lift struts which have exceeded 1500 hours total time in service.
Requirement: Inspect the lower ends of the wing lift struts for cracking particularly in the threaded area of the rear spar attachment using at least a 10X glass.
Compliance: Within 100 hour time in service after 15 April 1969 and thereafter at intervals not exceeding 500 hours time in service.