COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Auxiliary Power Units
AD/APU/3 Incorporation of Back-Up Plate to Improve
Turbine Wheel Containment
Applicability: Garrett Model No. GTCP36-4A, -6, -16, -16A, -28. Document: Garrett SB No. GTCP36-49-5323R2.
Compliance: Prior to July 1st 1984.
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Background: An uncontained turbine disc failure and a near uncontained turbine disc failure have occurred locally over the past two years. This Directive is issued to preclude further uncontained failed discs.