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-32/47 Fuel Filler Cap - Inspection and Replacement 7/77 Applicability: Models PA-32-260 with S/Nos. 32-03, 32-04, 32-1 to 32-1123, and PA-32-300 with S/Nos. 32-15, 32-21, 32-40000 to 32-40629. Document: Piper SB No. 571, Part B. Compliance: Within 100 hours time in service after 31 July 1977.