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 331/30 Amdt 2 Fuel Pump Drive Shaft 4/88 Applicability: TPE 331 models as listed in Garrett Service Bulletin TPE 331-73-0121 Rev 5. Requirement: Garrett Service Bulletin TPE 331-73-0121 Rev 5. Compliance: Unless already accomplished; in accordance with Requirement document Para D. Note: Compliance with the previous issue of this Directive (SB TPE 334-73-0121 Rev 4) does not necessarily constitute compliance with this Directive - refer Rev 5 Accomplishment Instruction Section 2. Background: This Directive is amended to reflect GTEC SB TPE 331-73-0121 Rev 5 which deletes engine models, corrects a part number and adds reference to SB 73-0156 and a hazardous material warning.