COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES SAAB SF340 Series Aeroplanes AD/SF340/1 Nacelle Forward Drag Strut Fittings Bolt - Inspection 5/85 TX Applicability: All models SF 340. Requirement: SAAB-FAIRCHILD SF340-54A-003. Compliance: Prior to 29 March 1985. Background: The manufacturer reports that improperly torqued bolts may have been installed.