major repair


major repair

[′mā·jər ri′per] (engineering) Repair work on items of material or equipment that need complete overhaul or substantial replacement of parts, or that require special tools.

major repair

A repair that, if improperly done, might appreciably affect the weight, balance, structural strength, performance, power plant operation, flight characteristics, or other qualities affecting air-worthiness. A repair that cannot be done by elementary operations.