COMMONWEALTH OF AUSTRALIA (Civil Aviation 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 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. AMD Falcon 50 and 900 Series Aeroplanes AD/AMD 50/28 Rear Fuel Tank Protection 2/2003 Applicability: Mystère Falcon 50 aeroplanes with BFGoodrich Stormscope® antenna installed between frames 22 and 23 by Dassault Aviation modification M2208 or by a DFJ Little Rock modification, except aeroplanes on which modification M2838 or Service Bulletin (SB) F50-404 has been implemented. Mystère Falcon 900/Falcon 900EX aeroplanes with Stormscope® antenna installed between frames 23 and 24 by Dassault Aviation modification M2993 or by a DFJ Little Rock modification, except aeroplanes on which modification M3498 or SB F900-293 or SB F900EX-158 has been implemented. Requirement: Reinforce the rear fuel tank by installing a shield plate over the fuel tank structure above the Stormscope® antenna and replace the antenna plug connector. Both these actions are to be accomplished in accordance with the following Service Bulletins, as applicable: Aeroplane Model Falcon 50 Falcon 900 Falcon 900EX Note: DGAC AD 2002-569(B) refers. Service Bulletin F50-404 F900-293 F900EX-158 Compliance: Within 25 months after the effective date of this Directive. This Airworthiness Directive becomes effective on 20 February 2003. Background: The French Direction Générale de l'Aviation Civile has advised the BFGoodrich Stormscope® antenna connector may, during a wheels up landing, puncture the rear fuel tank. James Coyne Delegate of the Civil Aviation Safety Authority 10 December 2002 The above AD is notified in the Commonwealth of Australia Gazette on 29 January 2003. Page 1 of 1