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. Extra EA-300 Series Aeroplanes AD/EXTRA/9 Bottom Fuselage Cover/Firewall Sealing 1/2005 DM Applicability: Aircraft affected by Part I of Requirement document: Model EA-300 aircraft, serial numbers 0 through 67. Model EA-300/S aircraft, serial numbers 0 through 31. Model EA-300/L aircraft, serial numbers 0 through 167, 168 through 170 (or converted, 1168 through 1170), 1171, 172 (or converted to 1172), 173 (or converted to 1173), and 1174 through 1181. Model EA-300/200 aircraft, serial numbers 0 through 31. Aircraft affected by Part II of Requirement document: All Model EA-300, EA-300/S, EA-300/L, and EA-300/200 aircraft. Requirement: Accomplish Part I and Part II of Extra Service Bulletin No. 300-4-04 Issue A, dated 25 May 2004. Note: LBA AD D-2004-489 refers. Compliance: Within 50 flight hours after 24 November 2004 or by 24 February 2005, whichever occurs first. This Airworthiness Directive becomes effective on 24 November 2004. Extra EA-300 Series Aeroplanes AD/EXTRA/9 (continued) Background: This Directive requires sealing of the gaps between the bottom fuselage cover (belly fairing) and the firewall to prevent fuel from entering the cockpit. This Directive also requires accomplishment of the sealing procedure whenever the bottom fuselage cover is reinstalled. David Villiers Delegate of the Civil Aviation Safety Authority 18 November 2004 The above AD is notified in the Commonwealth of Australia Gazette on 24 November 2004.