AD/R22/35 Amdt 1 Rotor Mast Shaft Nuts 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/R22/35 Amdt 1.

Robinson R22 Series Helicopters

AD/R22/35 Amdt 1 Rotor Mast Shaft Nuts 5/2009

Requirement:	CANCELLED.
This AD is cancelled on 7 May 2009.
Background:	This unique Australian AD specified removal of main rotor gearbox, inspection, replacement of components and re-installation in accordance with the maintenance manual at the next inspection for issue of a maintenance release after August 1992 or by March 1993, whichever occurred first.  The AD was not based on a Robinson service document and is no longer required.

David Villiers
Delegate of the Civil Aviation Safety Authority

17 March 2009