Ad/TPE 331/60 - Cycle Life Counting - Special Use Operations - Cancelled (Cth)

AIRWORTHINESS DIRECTIVE

On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive AD/TPE 331/60.

AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series

AD/TPE 331/60 Cycle Life Counting - Special Use Operations 10/2009

Requirement:	CANCELLED.
This AD is cancelled on 24 September 2009.
Background:	This unique Australian AD specified re-assessment of turbine cycles if the aircraft has been used in special-purpose operations (multiple take-off and landings per engine cycle.)  SB No. A72-2111 was applicable.  Compliance was required prior to January 2003.  The AD is no longer required because AD/ENG/7 mandates retirement of lifed engine components.

James Coyne
Delegate of the Civil Aviation Safety Authority

14 August 2009