14 CFR Part 43, Maintenance, Preventive Maintenance, Rebuilding, and Alteration
Section 01: Organizations & Authorities
Definition
The FAA regulation prescribing rules governing the maintenance, preventive maintenance, rebuilding, and alteration of aircraft, engines, propellers, appliances, and component parts. Part 43 defines who may perform maintenance (authorized persons), what constitutes major vs. minor repairs and alterations, the approved data requirements for performing work, and the maintenance record entry requirements including return-to-service documentation.
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