Airworthiness Directives 2004
I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety
Authority, acting under subregulation 39.001 (1) of the Civil
Aviation Safety Regulations 1998:
(a) revoke the Airworthiness Directives mentioned in
Schedule 1; and
(b) make, as separate instruments, each Airworthiness
Directive mentioned in Schedule 1 and attached.
David Villiers
Delegate of the Civil Aviation Safety Authority
20 December 2004
Note: Each attached Airworthiness Directive is being re-made in exactly the
same form as appears in the latest published edition of the Directive.
Schedule 1 Revocation and Remaking of
Airworthiness Directives
Pratt and Whitney Canada Turbine Engines - PT6A Series
AD Name AD Number
Rotor Components - Service Life - CANCELLED AD/PT6A/1 Amdt 3
Rotor Components - Service Life - CANCELLED AD/PT6A/2 Amdt 3
Rotor Components - Service Life - CANCELLED AD/PT6A/3 Amdt 1
Rotor Components - Service Life - CANCELLED AD/PT6A/4 Amdt 3
Life Limits - Engine Rotating Parts - CANCELLED AD/PT6A/5 Amdt 2
Rotor Components - Service Life - CANCELLED AD/PT6A/6 Amdt 4
Re-Routing Of Governor Air Pressure Line AD/PT6A/7
Compressor Rear Hub Hardness AD/PT6A/8
Exhaust Duct Reinforcing Ring - CANCELLED AD/PT6A/9
Propeller Reversing Teleflex Control Cable Terminals - CANCELLED AD/PT6A/10
Woodward Primary Propeller Governors and Overspeed Governors - Solenoid AD/PT6A/11
Improved Wire Rope Reversing Cable AD/PT6A/12
Fuel Pump Drive Coupling - Improved Lubrication AD/PT6A/13
Sungear Coupling Shaft Retaining Rings AD/PT6A/14
Reversing Linkage Front End Clevis - Incorporation of Inspection Hole AD/PT6A/15
Improved Strength P.T. Shaft Housing and Reduction Gearbox Condition AD/PT6A/16
Improved Power Turbine Blade Containment - CANCELLED AD/PT6A/17
No. 2 Bearing Oil Pressure Tube AD/PT6A/18
Fuel Control Bypass Valve Diaphragm AD/PT6A/19
No. 2 Bearing Cover AD/PT6A/20
Replacement of Compressor Delivery Heated Air Tube AD/PT6A/21
Fuel Pump Coupling - CANCELLED AD/PT6A/22
Replacement of Compressor Delivery Heated Air Tube by a Non-Metallic Hose AD/PT6A/23
Rotor Components - Service Life - CANCELLED AD/PT6A/24 Amdt 1
Sundstrand Fuel Pump Drive Wear - CANCELLED AD/PT6A/25
Power Turbine Containment Ring AD/PT6A/26
Compressor Bleed Off Valve AD/PT6A/27
Water Washing AD/PT6A/28
Compressor Bleed Valve - CANCELLED AD/PT6A/29
Propeller Governor Assembly AD/PT6A/30
Fuel Control Unit AD/PT6A/31
Exhaust Duct Cracking AD/PT6A/32
Compressor Rear Hub - Life Limit Review AD/PT6A/33