COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES General Electric Turbine Engines - CF700 Series AD/CF700/13 Aft Fan Rotor Blades 9/85 Applicability: All CF700 model engines fitted with aft fan rotor blades P/N 6002T57P01 with S/Nos. as detailed in SB (CF700) A72-124. Document: 1. General Electric SB (CF700) A72-124; or FAA AD 75-05-13; or AD/GE-T/31. Compliance: 1. Blades with 400 hours or more total time in service on 30 July 1976. Inspect within 30 hours time in service and inspect every 400 hours time in service thereafter. 2. Blades with less than 400 hours total time in service on 30 July 1976. Inspect prior to the accumulation of 430 hours total time in service and inspect every 400 hours time in service thereafter. 3. Replace all blades confirmed as cracked prior to further flight.