Document ID: chunk:federal_register_of_legislation:F2006B10770:body:0
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Israel Aircraft Industries 1125 (Astra) Series Aeroplanes

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 39.1 (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 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.

 AD/IAI-A/12 Nose Landing Gear Drag Brace 9/2001
DM

            Applicability: Model 1125 Astra aircraft, serial numbers 004 through 039; equipped with a nose landing gear drag brace having IAI part numbers 25W272003-501 through -507 (SHL part number 248-0000-00).

            Model 1125 Astra and Astra SPX aircraft with serial numbers higher than 039 which have had the complete nose landing gear or the drag brace replaced, must be checked for applicability.

            Requirement: Perform a visual and eddy current inspection of the upper radius of the nose landing gear drag brace in accordance with Israel Aircraft Industries Astra Alert Service Bulletin No. 1125-32A-095.

            Note 1: Installation of drag brace IAI part number 25W272007-501 (SHL part number 3531-0000-00) constitutes terminating action for the requirements of this Directive.

            Note 2: Israel CAA AD 32-00-12-14 refers.

            Compliance:   Unless accomplished within the last 250 hours time in service, within 25 hours time in service after 25 July 2001. Thereafter, inspect per Chapters 5 and 32 of the Astra Maintenance Manual including Temporary Revision 32-7, dated 28 November 2000.

            This Airworthiness Directive becomes effective on 25 July 2001.

            Background: Cracks have been found on the fillet between the trunnion axis and the body on affected nose landing gear drag braces. Undetected fatigue cracking could result in failure of the drag brace and collapse of the nose landing gear.

 David Alan Villiers
 Delegate of the Civil Aviation Safety Authority 17 July 2001

 The above AD is notified in the Commonwealth of Australia Gazette on 25 July 2001.