Document ID: chunk:federal_register_of_legislation:F2006B08402:body:0
Version: federal_register_of_legislation:F2006B08402
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Safety Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

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 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.

 Cessna 500 (Citation) Series Aeroplanes

AD/CESSNA 500/28 BFGoodrich Brake Stator Discs 7/2004

            Applicability: Model 500 and 501 aircraft, serial numbers 0001 through 0689; equipped with BFGoodrich brake assembly part number 2-1528-6 or 2-1530-4.

 Requirement: Inspect in accordance with the requirements of FAA AD 2004-09-05 Amdt 39-13594.

            Note: BFGoodrich Service Bulletins 2-1528-32-3 and 2-1530-32-3, both original issue, and Goodrich Service Bulletins 2-1528-32-2 and 2-1530-32-2, both Revision 5, refer.

            Compliance: Within 50 landings or 90 days after 8 July 2004, whichever occurs first, for the initial inspection. As specified in the Requirement document for other compliance times, with a revised effective date of 8 July 2004.

            This Airworthiness Directive becomes effective on 8 July 2004.

            Background: The FAA requires a one-time inspection of the brake stator discs to determine to what change level they have been modified (if any), and related actions if necessary. This Directive also requires that the existing markings on the piston housing of certain brake assemblies be eliminated. The actions required by this Directive are intended to prevent wheel lock-ups that may be caused by cracked or broken brake stator discs becoming jammed in the brake assembly and preventing rotation. Such jamming may result in reduced directional control or braking performance during landing.

 David Villiers
 Delegate of the Civil Aviation Safety Authority 28 May 2004

 The above AD is notified in the Commonwealth of Australia Gazette on 16 June 2004.

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