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-32/39 Amdt 1 Fuel Line - Inspection 1/78 Applicability: Model PA-32R-300 with S/Nos. 32R-7680001 to 32R-7680132, 32R-7680134 to 32R-7680175, 32R-7680177 to 32R-7680200, 32R-7680202 to 32R-7680204 and 32R-7680207 to 32R-7780411. Document: Piper SB No. 503A. Compliance: Within 100 hours time in service after 25 November 1977. Note: Compliance with the previous issue of this Directive satisfies compliance with this revised issue.