COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Pratt and Whitney Turbine Engines - JT9D Series AD/JT9D/6 Engine Tailpipe/Exhaust Case - Inspection for Oil Leakage 6/76 Applicability: All JT9D engines containing turbine exhaust cases P/Nos. 701877, 728301 through 728309, 731370 through 731373, 731377, 731565, 738438, 739431, 746128, 746272 through 746274, 749510, 752872 through 752876, 754763, 756838 and 761943. Document: 1. FAA AD 76-12-03 Pratt & Whitney : Amendment 39-2634; or 2. AD/PW-T/35. Compliance: In accordance with the Requirement Document.