Airworthiness Directives 2004 - Revocation and Remaking - Pratt and Whitney Turbine Engines - JT9D 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 Turbine Engines - JT9D Series

AD Name  AD Number

Life Limits - Engine Rotating Parts - CANCELLED  AD/JT9D/1 Amdt 1

Life Limits - Engine Rotating Parts - CANCELLED  AD/JT9D/2 Amdt 1

Diffuser Case  AD/JT9D/3

Incorporation of Main Gearbox Spray Nozzles  AD/JT9D/4

Replacement of Main Gearbox Assembly Face Seals  AD/JT9D/5

Engine Tailpipe/Exhaust Case - Inspection for Oil Leakage  AD/JT9D/6

No. 3 Bearing Breather Temp Check and Replacement of Main Bearing Breather           AD/JT9D/7

Fan Blade - Inspection and Blending  AD/JT9D/8

Fifth Stage Turbine Hubs - Reduction of Cyclic Life  AD/JT9D/9

Main Gearbox Assembly - Magnetic Plug Inspection  AD/JT9D/10

No. 4 Bearing Compartment  AD/JT9D/11

Fifteenth Stage Compressor Discs  AD/JT9D/12 Amdt 1

Low Pressure Turbine Anti-Rotation Pins  AD/JT9D/13 Amdt 3

Diffuser Case Rear Rail Cracking  AD/JT9D/14 Amdt 1

High Pressure Turbine Airseal  AD/JT9D/15

HPC Variable Stator Synchronising Ring Runner Clearance  AD/JT9D/16

Fan Containment Shield  AD/JT9D/17 Amdt 2

Low Pressure Turbine Airseal  AD/JT9D/18

Surge Margin Improvements  AD/JT9D/19 Amdt 2

Diffuser Case Strut Inserts  AD/JT9D/20

Drain Tube Replacement  AD/JT9D/21

First Stage High Pressure Turbine Airseal  AD/JT9D/22

First Stage High Pressure Turbine Airseal  AD/JT9D/23

HPC Turbine Drive Shafts  AD/JT9D/24

Fan Blade Inspection/Revised Shroud Angle  AD/JT9D/25

Diffuser Case Inspection  AD/JT9D/26

Fan Exit Case Cover Modification  AD/JT9D/27

LPT Vane Hardware  AD/JT9D/28

Turbine Exhaust Case  AD/JT9D/29 Amdt 2

First Stage High Pressure Turbine Disk  AD/JT9D/30

14th and 15th Stage HPC Disks  AD/JT9D/31 Amdt 1

Combustion Chamber Outer Casing  AD/JT9D/32

Diffuser Case Inspection  AD/JT9D/33

Inspection of Critical Life-limited Rotating Engine Components - CANCELLED          AD/JT9D/34

HPT Disc Inspection  AD/JT9D/35

LPT 5th Stage Disc - Inspection  AD/JT9D/36

Inspection of Life Limited Parts  AD/JT9D/37

High pressure Turbine Disc - Inspection  AD/JT9D/38

One-Piece Fan Case Shield  AD/JT9D/39