AD/HU 369/20 Adjustable Upper Engine Mount Assemblies Inspection 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/HU 369/20.

McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters

AD/HU 369/20 Adjustable Upper Engine
Mount Assemblies - Inspection 5/2009

Requirement:

CANCELLED.

This AD is cancelled on 7 May 2009.

Background:

This unique Australian AD raised in 1976 against Hughes Service Information Notice (SIN) No. HN-95 required a one-time inspection of the engine upper adjustable mount assemblies for evidence of internal corrosion of the mount tubes.

Compliance was: Within 300 hours TIS after 30 August 1976 or at next engine change whichever occurs first.

This AD has been sufficiently promulgated for the affected aircraft to have been inspected by now; therefore this AD is considered to be no longer required.

James Coyne
Delegate of the Civil Aviation Safety Authority

27 March 2009