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 331/14 Amdt 1 Fuel Control Drive - Inspection and Replacement 5/96 Applicability: TPE-331-25AA, -25DA, 25FA. TPE-331-43A, -47A, -55A, -61A, -25AB, -25DB, - 43BL, -55B unless incorporating SB TPE-331-73-0056 and SB TPE-331-72-0123. TPE-331-1-100F, -101B, E, F, J, L, Z. TPE-331-1-151A, G, and K. TPE-331-2- 201A and C. TPE-331-2UA-203D,TPE-331-5-251M, TPE-331-6-252M, -252B, TPE-331-5-251C, K. TPE-331-6-251M, TPE-331-3U-303G, N, V & TPE-331-3U- 304G. TPE-331-5-252M, TPE-331-5-252K, unless incorporating SB TPE-331-73- 0051 or TPE-331-73-0054 and SB TPE/TSE 331-72-0104. Requirement: Inspect and lubricate the fuel pump drive shaft splines in accordance with Garrett (AiResearch) SB No. TPE/TSE 331-72-0027, Rev. 9. Note 1. FAA AD 73-26-07 R3 also refers. Note 2. This AD supersedes AD/AIR-T/17E. Note 3. Compliance with AD/AIR-T/17E meets the intent of this AD. Compliance: As detailed in the requirement document. This amendment becomes effective on 25 April 1996. Background: Wear has been observed in the fuel pump drive shaft splines. This Directive mandates a periodic inspection of the splines area. This amendment includes an additional engine model, the TPE331-3U-304G to the applicability listing.