Technical Order 00-20-1: Aerospace Equipment Maintenance Inspection, Documentation, Policies, and Procedures

The form series used to provide a maintenance, inspection, service, configuration, status, and flight record for the aerospace vehicle is the 781-series. These forms are the official maintenance records that capture every action performed on the aircraft, including inspections, services, configuration changes, and flight history. They record what work was done, parts used, hours or cycles, who performed it, and when, creating a traceable history that supports airworthiness decisions and future maintenance planning. This series is specifically meant for documenting the aircraft’s maintenance actions and flight data, unlike other form series that serve different documentation purposes.