COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 146 Series Aeroplanes AD/BAe 146/67 Horizontal Stabiliser to Vertical Stabiliser Attachment Brackets Applicability: All series BAe 146 aircraft. All Avro 146-RJ70 aircraft up to E1267. All Avro 146-RJ85 aircraft up to E2300. All Avro 146-RJ100 aircraft up to E3301. 8/97 Requirement: Inspect in accordance with British Aerospace Mandatory Service Bulletin 55-15. Note 1: UK CAA AD 001-04-97 refers. Note 2: Maintenance Review Board Report refers. Compliance: At the thresholds detailed in the requirement document. This airworthiness directive becomes effective on 17 July 1997. Background: Reports were received of corrosion on the inner faces of the horizontal stabiliser to vertical stabiliser attachment fitting, and on the adjoining vertical stabiliser lugs.