AD/APU/7 - High Pressure Turbine Disc
1AD/APU/7 - High Pressure Turbine Disc
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Auxiliary Power Units
AD/APU/7 High Pressure Turbine Disc 4/92
Applicability: Garrett Auxiliary Power Division model TSCP700-4B auxiliary power units, prior to S/N 90697 and model TSCP700-5 auxiliary power units prior to S/N 80443.
Requirement: Action in accordance with the technical requirements of FAA AD 91-25-04.
Note: Garrett Service Bulletin TSCP700-49-5892 Revision 2 dated 10 October 1990, refers.
Compliance: Within 24 months after the issue date of this Directive.
Background: This Directive has been raised due to reports of HPT disc ruptures. This condition, if not corrected, could lead to an uncontained HPT disc failure.