
Also included in this category are maintenance manuals for aircraft that have been annotated and are different from those issued by the manufacturer. Included are records related to servicing, manufacturing, rebuilding and testing of equipment and classifying the condition status of materiel, nontechnical correspondence that pertains to aircraft maintenance and related organizational matters and overhaul and rework projects as well as technical correspondence pertaining to aircraft, aircraft components, engines, propellers, instruments, accessories, and their maintenance. Records relating to fleetwide general maintenance activities, modifications, or improvements designed to meet programmed requirements as opposed to maintenance activities involving specific aircraft.
Included are records related to servicing, manufacturing, rebuilding and testing of equipment and classifying the condition status of materiel, nontechnical correspondence that pertains to aircraft maintenance and related organizational matters and overhaul and rework projects as well as technical correspondence pertaining to aircraft, aircraft components, engines, propellers, instruments, accessories, and their maintenance. Also included in this category are maintenance manuals for aircraft that have been annotated and are different from those issued by the manufacturer. Records relating to fleetwide general maintenance activities, modifications, or improvements designed to meet programmed requirements as opposed to maintenance activities involving specific aircraft.

