COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Short SC7 (Skyvan) Series Aeroplanes AD/SC7/15C Inner Flap - Replacement of Lifed Items and Modification of Flap Structure Applicability: All Skyvan series 3, 3A and 3M. Document: Short Alert SB No. 57-A61, Rev. 3. Compliance: As detailed in the requirement document. 7/80 Background: This Directive has been amended to reflect the revision status of the Alert Service Bulletin.