AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001(1) of CASR 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 or aeronautical product 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. Boeing 737 Series Aeroplanes AD/B737/333 Supplemental Structural Inspection 8/2008 Applicability: All Model 737-100, -200, and -200C series aircraft. Requirement: Action in accordance with the technical requirements of FAA AD 2008-11-03 Amdt 39-15525. Compliance: As specified in the Requirement document, with a revised effective date of 31 July 2008. This Airworthiness Directive becomes effective on 31 July 2008. Background: The FAA received a report of incidents involving fatigue cracking in transport category aircraft that are approaching or have exceeded their design service objective. The actions required by this Directive are intended to maintain the continued structural integrity of the entire fleet of Model 737-100, -200, and -200C series aircraft. David Villiers Delegate of the Civil Aviation Safety Authority 19 June 2008