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 revokes Airworthiness Directive (AD) AD/BN-2/67 and issues the following 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. Pilatus Britten Norman BN-2 Series Aeroplanes AD/BN-2/67 Amdt 1 Control Column Sliding Tube 8/2002 Applicability: All Model BN2, BN2A, BN2B, and BN2T aircraft. Requirement: Action in accordance with B-N Group Ltd Mandatory Service Bulletin BN2/SB.243 Issue 2. Compliance: Before 8 September 2002; thereafter at intervals not to exceed 500 hours time in service, if no wear is found. If wear is found refer to the Requirement document. This Amendment becomes effective on 8 August 2002. Background: The manufacturer received reports of wear in the control column sliding tube. This wear could lead to cracking of the tube. Amendment 1 is issued in response to a revision of the Requirement document, which introduces changes to Accomplishment Instructions procedures. The original issue of this Airworthiness Directive became effective on 17 June 1999. David Alan Villiers Delegate of the Civil Aviation Safety Authority 28 June 2002 The above AD is notified in the Commonwealth of Australia Gazette on 17 July 2002. Page 1 of 1