AD/TPE 331/29 - Combustion Section - Plenum Chamber Forward Drain Boss - Inspection
1AD/TPE 331/29 - Combustion Section - Plenum Chamber Forward Drain Boss - Inspection
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series
AD/TPE 331/29 Combustion Section - Plenum Chamber
Forward Drain Boss - Inspection
Applicability: TPE331-8-401S, 402S, 403S, 404S.
Document: Garrett Turbine Engine Company SB No. TPE331-72-0373; or AD/AIR-T/45.
Compliance: Within 25 hours time in service after 1 February 1983.
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Background: This Directive is issued as the result of notification from the engine manufacturer that cracks have been found at the forward plenum chamber drain boss of the engine combustion section.