COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piper PA-32 (Cherokee Six) Series Aeroplanes AD/PA-32/8 Amdt 1 Engine Air Inlet Duct - Inspection 12/67 Applicability: Model PA32-300 with S/Nos. 32-15, 32-40000 to 32-40399 which have not been modified in accordance with Piper SB No. 260. Requirement: 1. Inspect the flexible duct Piper P/N 457599 between the engine air box and engine throttle body assembly for loose and/or collapsed wire reinforcing coils inside the duct. Each end of the reinforcing wire must be secured under th duct end clamps. 2. If loose and/or collapsed wire reinforcing coils are found, remove the duct from service and install a modified duct in accordance with Piper SB No. 260. Note: Inspection may be accomplished by removal of the entire engine cowling and the intake air hose cover P/No. 68047. Compliance: Within 10 hours time in service after 8 November 1967 and there- after at intervals not exceeding 50 hours time in service.