COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Airbus Industrie A319, A320 and A321 Series Aeroplanes AD/A320/30 Seat Track Joints at Frame 64 8/93 DM Applicability: Aircraft S/nos 002 to 008, 010 to 014, 016 to 078, 080 to 122, 124 to 179, 183 to 194, 196 to 228, 230 to 251, 253 to 255 inclusive. Requirement: 1. Inspect in accordance with Airbus Industrie AOT 53-01 dated 27 August 1992. 2. Modify in accordance with Airbus Industrie SB A320-53-1088 if the gap is greater than 2.8mm. Note: DGAC AD 93-081-042(B) refers. Compliance: 1. Prior to 31 July 1993. Thereafter, where the gap is greater than 2.8 mm, at each configuration change until modified. 2. Prior to 31 December 1995. Background: At frame 64 the seat track gap may be excessive. This may result in the release of seats and /or other attached equipment under the loads that may be experienced during an emergency landing.