COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Piper PA-30 & 39 (Twin Comanche) Series Aeroplanes
AD/PA-30/33 Wing Main Spar Lower Cap - Inspection 9/83
Applicability: All model PA-30 with S/Nos. 30-2 to 30-2000. All model PA-39 with S/No. 39-1 to 39-155.
Document: Piper Service Bulletin No. 751.
Compliance: Within 100 hours time in service after 30th September 1983.
Background: The Manufacturer reports cases of chafing of the wing main spar lower cap where the spar enters the fuselage.