COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Airparts (NZ) Ltd. FU 24 Series Aeroplanes AD/FU24/46 Brake Torque Plates - Inspection and Modification 5/73 Applicability: All model FU24-950. Document: Air Parts SB No. AP.101. Compliance: Inspect at intervals not exceeding 100 hours time in service until modified. Modify within 300 hours time in service after 31 May 1973.