COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
AlliedSignal (Lycoming) Turbine Engines - T53 Series
AD/T53/5 Accessory Drive Gearbox - Rework 1/86
Applicability: All models as listed in OMB No. 0028. Document: 1. Lycoming SB No. 41; or
2. Lycoming Overhaul Mod. Bulletin No. 0028; or
3. Lycoming Field Service Bulletin No. 0010; or
4. AD/LYC-T/3A.
Compliance: Prior to installation in an aircraft following next reconditioning completed after 30 June 1972.
Note: Engines complying with the previous issue of this Directive require no further rework.