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-30/28 Fin Forward Spar Attachment - Inspection 9/76
All models PA-30 and PA-39 with S/Nos. 30-1 to 30-2000 and 39-1 to 39-155.
Visually inspect, with the aid of at least a 5X glass, the fin forward spar to fuselage attachment for cracks in the bend relief cutout radius of channel P/N 22903-00.
The part number quoted may not appear in the Parts Catalogue as it is a component of the fin front spar which is listed as a complete assembly under a separate part number.
Piper SL No. 777 provides instructions for modifying the Fin Assembly to gain Visual access to the channel relief holes.
This inspection is the subject of FAA AD 76-18-05.
Within 50 hours time in service after 22 September 1976 and there- after at intervals not exceeding 100 hours time in service.