COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Pratt and Whitney Canada Turbine Engines - PT6A Series
AD/PT6A/14 Sungear Coupling Shaft Retaining Rings 10/85
Applicability: All PT6A-6, -6A, -6B, -20, -27, -28 and -34 with S/Nos. as listed in the requirement document.
Document: 1. UACL SB No. 249;
2. UACL SB No. 1173, or
3. AD/UAC-T/12.
Compliance: Before installation in an aircraft following next reconditioning completed after 31 October 1972 or next time the affected area becomes accessible whichever occurs first.