Plain English Meaning
A maintenance shop that the FAA has officially approved to work on aircraft. The FAA has reviewed its facilities, tools, procedures, and people, and has given it a certificate spelling out exactly what kinds of work it is allowed to do.
Full Definition
A maintenance facility that has been issued an FAA repair station certificate under 14 CFR Part 145, authorizing it to perform specified maintenance, preventive maintenance, inspections, and alterations on aircraft, engines, propellers, or components within the ratings listed on its certificate.
Context Anchor
Seen in maintenance and inspection discussions, especially when deciding who may perform or sign an .