AD/Bell 412/31 Fin to Tail Boom Junction 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/BELL 412/31.

Bell Helicopter Textron 412 Series Helicopters

AD/BELL 412/31 Fin to Tail Boom Junction 12/2009

Requirement:	CANCELLED.
This AD is cancelled on 19 November 2009.
Background:	This unique Australian AD specified a once-only inspection of the fin-to-tailboom junction by May 1992.  The AD was issued following discovery of a crack in an Australian Bell 212 helicopter and was not based on a manufacturer’s bulletin.  The AD is no longer required.

James Coyne
Delegate of the Civil Aviation Safety Authority

30 September 2009