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-32/49 Fuel Tank Vent - Inspection and Modification 7/77 Applicability: Models PA-32-260, with S/Nos. 32-13, 32-14, 32-1 to 32-7700016, and PA-32-300 with S/Nos. 32-15, 32-21, 32-40000 to 32-7740037, 32-7740039 to 32-7740053, 32- 7740055 to 32-7740062 and 32-7740064 to 32-7740069. Document: 1. Piper SB No. 342, pages 2 and 3; and 2. Piper SB No. 571, Part C. Compliance: Within 100 hours time in service after 31 July 1977.