1Airworthiness Directives 2004 - Revocation and Remaking - Allison Turbine Engines - 250 Series

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.

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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

Allison Turbine Engines - 250 Series

AD Name AD Number

Life Limited Components - CANCELLED AD/AL 250/1 Amdt 12

Compressor Front Bearing Thrust Washer and Spring - Replacement AD/AL 250/2

Oil Filter By-Pass Valve Poppet Guide - Replacement AD/AL 250/3

Sixth Stage Compressor Blades - Modification AD/AL 250/4

Engine Compressor - Modifications AD/AL 250/5 Amdt 1

Power Turbine Governor - Modification AD/AL 250/6 Amdt 1

CANCELLED AD/AL 250/7

Helical Power Train Drive Gear Internal Spline Inspection AD/AL 250/8 Amdt 1

Engine Operating Restrictions to Reduce Torque-Meter Shaftgears Stress AD/AL 250/9

CANCELLED AD/AL 250/10

Engine Improvement - Introduction of Blue Ribbon Modifications AD/AL 250/11 Amdt 3

Pc Filter Flanged Insert - Inspection AD/AL 250/12 Amdt 2

Improved Indicating Magnetic Drain Plugs - Introduction AD/AL 250/13

Compressor Wheels, Glass Bead Peening AD/AL 250/14

Engine Parts - Time Limitations - CANCELLED AD/AL 250/15 Amdt 9

Ceco Fuel Control and Governor External Plug and Lever - Replacement AD/AL 250/16

Life Limited Components - CANCELLED AD/AL 250/17 Amdt 5

Compressor Bleed Valve Orifice - Installation AD/AL 250/18

Fuel System - Power Turbine Governor to Control Fuel Tube Clamp - Installation AD/AL 250/19

Fuel Pump Drive Shaft - Inspection AD/AL 250/20 Amdt 1

Ceco F.C.U. Throttle Shaft and Governor Quadrant and Shaft Assembly - AD/AL 250/21

CANCELLED AD/AL 250/22

Engine Parts - Time Limitations - CANCELLED AD/AL 250/23 Amdt 3