COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 310 Series Aeroplanes AD/CESSNA 310/29 Wing Leading Edge Fuel Lines and Wiring - Inspection and Modification 6/73 Applicability: All models 310C to 310Q with S/Nos. 35772 to 310Q0709 except those S/Nos. detailed in SL ME73-5, and all turbo 310 with S/Nos. 310P0001 to 310Q0709. Requirement: Action in accordance with Cessna SL ME73-5 and supplement 2. Compliance: Within 100 hours time in service after 29 June 1973.