COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series AD/TPE 331/20 Replacement of Reduction Gear Bearing Carrier Bolts, Installation of Lock Plate and Oil Transfer Tube Inspection 3/86 Applicability: TPE-331-1-101B, F, -1-151A, K, G. -2-201A, -5-251C, K. -6-251M/252M, -6-252B, -3U-303G, -3UW-303G, -3U-307G, which are listed in the reference document by their S/Nos. and those additional engines which had SB TPE-331-72-0064 incorporated. Document: 1. AiResearch SB-331-72-0092, Rev. 5, or 2. FAA AD No. 76-16-01, or 3. AD/AIR-T/25E. Compliance: In accordance with the reference document.