AD/JT9D/13 Amdt 3 - Low Pressure Turbine Anti-Rotation Pins
1AD/JT9D/13 Amdt 3 - Low Pressure Turbine Anti-Rotation Pins
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Pratt and Whitney Turbine Engines - JT9D Series
AD/JT9D/13
Amdt 3
Low Pressure Turbine Anti-Rotation Pins 5/88
TX
Applicability: JT9D-3A,-7,-7H,-7AH,-7A,-7A(SP),-7F,-7J,-20 engines not fully incorporating PWA SB 5292.
Requirement: 1. Inspect pre-SB 5292, low pressure turbine vane anti-rotation pins in accordance with the requirements of PWA SB 5735, or as agreed by the Secretary.
- Replace pre-SB 5292, low pressure turbine vane anti-rotation pins in accordance with the requirements of PWA SB 5292 Rev. 4.
Compliance: 1. In accordance with the Requirement document or as agreed by the Secretary.
- At the next removal of the low pressure turbine shaft from the low pressure turbine case and vane assembly but not later than 31 December 1989.
Background: This Directive has been amended to include in the applicable engine models, all JT9D models listed in PWA SB 5292 and 5735. The amendment includes the JT9D-3A model previously removed from the Australian Register.