AD/PA-31/53 Exhaust Transition Coupling Retirement Life 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/PA-31/53.

Piper PA-31 Series Aeroplanes

AD/PA-31/53 Exhaust Transition Coupling - Retirement Life 8/2008

Requirement:	CANCELLED.
This AD is cancelled on 31 July 2008.
Background:	This unique Australian AD required retirement of exhaust transition couplings after 600 hours TIS in accordance with Lycoming SB No. 395.  This retirement life no longer warrants being mandated.

James Coyne
Delegate of the Civil Aviation Safety Authority

12 June 2008