COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 146 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/BAe 146/78 Hella Passenger Service Units 7/2000 Applicability: Avro 146-RJ70, 146-RJ85 and 146-RJ100 aeroplanes with Hella Passenger Service Units (PSU) introduced by the following modifications: HCM30404A HCM60408D HCM60415V HCM40380A HCM60411D HCM60422C HCM30381C HCM60411N HCM60422F HCM40399E HCM60415D Requirement: If not previously accomplished, modify the PSUs in accordance with BAe Systems (Operations) Limited, BAe 146 Series/Avro 146-RJ Series Aircraft Modification Service Bulletin SB.25-418-36215A dated 5 April 2000. Note: This Modification Service Bulletin has been classified as Mandatory by the CAA(UK). Compliance: Before 31 August 2000. This Airworthiness Directive becomes effective on 13 July 2000. Background: This Directive requires the replacement and relocation of the PSU support lanyard to prevent the lanyard restricting the operation of the oxygen generator drop down lid. Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority 19 May 2000 The above AD is notified in the Commonwealth of Australia Gazette on 14 June 2000.