AD/SD3-60/53 Amdt 4 - Engine Mounting Tubes and Fittings (Cth)

AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/SD3-60/53 Amdt 3 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Short SD3-60 Series Aeroplanes

AD/SD3-60/53 Amdt 4

Engine Mounting Tubes and Fittings 3/2003

Applicability: All SD3-60 aircraft that have not yet complied with Shorts Service Bulletin (SB) SD330- 71-18 or which are currently required to perform the 6 month repeat inspections in accordance with SB SD330-71-18 original issue, Revision 1, Revision 2, or Revision 3.

Note: All aircraft that have complied with a previous issue of this Directive and determined that no corrosion exists, or have replaced all corroded engine tube sub- assemblies in accordance with Part B of a previous Requirement document, are not required to comply with Amendment 4 of this Directive.

Requirement: Action in accordance with Shorts Service Bulletin SD360-71-20 or SD360-71-20 Revision

Note: The Requirement document covers information contained in Service Information Letter 203, which will be cancelled.

Compliance: Unless in compliance with the previous issue of this Directive, accomplish before 31 May 2003 or at the next required repeat inspection in accordance with SB SD330-71-18 original issue, Revision 1, Revision 2, or Revision 3; whichever occurs first.