41 CFR 102-33.120: -33.120 Maintenance of Government aircraft.

You must establish or require:

(a) Procedures to record and track duty time and training of maintenance personnel;

(b) Aircraft maintenance and inspection programs that comply with whichever is most applicable among—

(1) Programs for ex-military aircraft;

(2) Manufacturers' programs;

(3) FAA-approved programs;

(4) FAA-accepted programs; or

(5) Your agency's self-prescribed programs;

(c) Compliance with owning-agency or military safety of flight notices, FAA airworthiness directives, advisory circulars and orders, or mandatory manufacturers' bulletins applicable to the types of aircraft, engines, propellers, and appliances you operate;

(d) Procedures for operating aircraft with inoperable instruments and equipment;

(e) Technical support, including appropriate engineering documentation and testing, for aircraft, powerplant, propeller, or appliance repairs, modifications, or equipment installations;

(f) A quality control system to ensure replacement parts are suitable, documented, safe for flight, and properly inspected or tested; and

(g) Procedures for recording and tracking maintenance actions; inspections; and the flight hours, cycles, and calendar times of life-limited parts and FSCAP.