Airworthiness Directives 2004 - Revocation and Remaking - Pratt and Whitney Canada Turbine Engines - PT6A Series (Cth)

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