14 C.F.R. § 145.217 Contract maintenance.
Title 14 - Aeronautics and Space
(a) A certificated repair station may contract a maintenance function pertaining to an article to an outside source provided— (1) The FAA approves the maintenance function to be contracted to the outside source; and (2) The repair station maintains and makes available to its certificate holding district office, in a format acceptable to the FAA, the following information: (i) The maintenance functions contracted to each outside facility; and (ii) The name of each outside facility to whom the repair station contracts maintenance functions and the type of certificate and ratings, if any, held by each facility. (b) A certificated repair station may contract a maintenance function pertaining to an article to a noncertificated person provided— (1) The noncertificated person follows a quality control system equivalent to the system followed by the certificated repair station; (2) The certificated repair station remains directly in charge of the work performed by the noncertificated person; and (3) The certificated repair station verifies, by test and/or inspection, that the work has been performed satisfactorily by the noncertificated person and that the article is airworthy before approving it for return to service. (c) A certificated repair station may not provide only approval for return to service of a complete type-certificated product following contract maintenance, preventive maintenance, or alterations.
Title 14: Aeronautics and Space
PART 145—REPAIR STATIONS
Subpart E—Operating Rules
§ 145.217 Contract maintenance.
