AD/TPE 331/28 Amdt 4 - Repl. and/or Life Limitation of P/N 868630-1/-2/-3/-4/-7/-8, P/N 895539-1/-2/-3/-4 3rd Stage Turbine Wheels, P/N 867569-1/-7 1st Stage Turbine Wheels, (Cth)

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 331/28 Amdt 4

Repl. and/or Life Limitation of P/N 868630-1/-2/-3/- 4/-7/-8, P/N 895539-1/-2/-3/-4 3rd Stage Turbine Wheels, P/N 867569-1/-7 1st Stage Turbine Wheels, P/N 868272-1/-2/-3/-4 2nd Stage Turbine Wheels, P/N 868379-1 and P/N 868259-1 3rd Stage Turbine Seal

6/93

Applicability: TSE 331-3, TPE 331-1,-2,-3,-5 and -6 series engines.

Requirement: For first, second and third stage turbine wheels and third stage turbine seal, inspect and/or action I.A.W. FAA AD 84-01-04 Amdt 39-4792 Paras (a) (b) (c) (d) (e) and (f).

Note: The following Garrett Turbine Engine Company Service Bulletins are reference documents in connection with this AD but may not equate to the FAA AD requirements at this time.

Garrett Service Bulletin Garrett Service Bulletin Garrett Service Bulletin Garrett Service Bulletin Garrett Service Bulletin Garrett Service Bulletin Garrett Service Bulletin Garrett Service Bulletin

TPE 331-72-0300 R3

TPE/TSE 331-72-0319

TPE 331-72-0326 R1 TPE/TSE-72-0327 TPE/TSE-72-0350 R1 TPE/TSE-72-0351 R1 TPE/TSE-72-0375 TPE/TSE-72-0380 Compliance: As detailed in the requirement Document, FAA AD 84-01-04.

Background: This Directive is amended to delete the requirements applying to the third stage stator as these have now been incorporated into AD/TPE 331/41 Amdt 1.