AD/PT6A/23 Replacement of Compressor Delivery Heated Air Tube by a Non-Metallic Hose 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/PT6A/23.

Pratt and Whitney Canada Turbine Engines - PT6A Series

AD/PT6A/23 Replacement of Compressor Delivery
Heated Air Tube by a Non-Metallic Hose 7/2009

Requirement:	CANCELLED.
This AD is cancelled on 2 July 2009.
Background:	This unique Australian AD specified action in accordance with PWC SB No. 12024 before next hot-section inspection or next overhaul, whichever is sooner.  The AD is no longer required.

James Coyne
Delegate of the Civil Aviation Safety Authority

18 May 2009