AD/PT6A/21 - Replacement of Compressor Delivery Heated Air Tube
1AD/PT6A/21 - Replacement of Compressor Delivery Heated Air Tube
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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 Pratt and Whitney Canada Turbine Engines - PT6A Series
AD/PT6A/21 Replacement of Compressor Delivery Heated Air Tube
10/85
Applicability: PT6A-34AG.
Document: 1. Pratt & Whitney Aircraft of Canada Ltd. Engine SB No. 1315, or
- AD/UAC-T/34.
Compliance: Before initial certification or Before installation in an aircraft after 1 September 1979.
Background: Overseas there have been failures of the Compressor delivery heated air tubes. In order to preclude such failures, this directive introduces a flexible hose which replaces the rear compressor delivery heated tube.