COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 177 Series Aeroplanes AD/CESSNA 177/9 Fuel Quantity Transmitter 4/70 Applicability: Models 177 and 177A with S/Nos. 17700001 through 17701160, 17701165 through 17701168, 17701171, 17701174 through 17701178 and 17701180. Requirement: Action in accordance with Cessna SL No. SE69-25. Note: FAA AD 70-1-2 refers. Compliance: Within 100 hours time in service after 29 April 1971.