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 146/7 Amdt 1 Rear Fuselage Lap Joints - Redux Bonding 11/88 Applicability: As listed in the Requirement Document. Requirement: Action in accordance with British Aerospace SB 53-70 Revision 1. Compliance: In accordance with the Requirement Document. Background: Unsatisfactory Redux bonding may render lengths of lap joint reinforcing ineffective and lead to cracking of the rear fuselage skin at lap joint rivet holes. Amendment 1 requires action in accordance with Revision 1 of British Aerospace SB 53-70.