COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace (Hawker Siddeley) HS 748 Series Aeroplanes AD/HS 748/19 Supplementary Structural Inspection Document 6/95 Applicability: All HS748 aircraft. Requirement: Incorporate into the Maintenance Schedule the requirements of the HS748 Supplementary Structural Inspection Document Revision 2 with the following exceptions and additions: (i) A high frequency eddy current inspection approved by the Authority shall be used in lieu of the visual method specified in item 57-40-1. (ii) When complying with the SSID operators shall ensure the full requirements of the following Service Bulletins (SB) are met: SB 57/75, SB 57/55, SB 57/34, SB 55/19, SB 53/49. (iii) The inspection intervals and associated inspection procedures of SB 52-101 shall be observed when complying with item 52-30-1. Note: CAA(UK) AD 010-09-85 and British Aerospace Alert Service Bulletin 12/11 Revision 1 refer. Compliance: Effective 25 May 1995. Background: The Supplementary Structural Inspection Document has been produced as part of a programme to ensure the continuing airworthiness of high time HS748 aircraft.