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/A320/55 Centre Wing, Bracket Between Shroud Box and Fixed Shroud Applicability: As specified in the Requirement Document. Requirement: Action in accordance with Airbus Industrie SB A320-57-1034 Rev. 1. Note: DGAC AD 95-100-068(B) refers. 9/95 Compliance: Prior to attaining 17 000 flight cycles, thereafter at the intervals specified in the Requirement Document. Note: Full incorporation of Airbus Industrie SB A320-57-1035 terminates this Directive. Background: This Directive is issued to detect and/or prevent any damage related to structural fatigue.