Patent ID: 7278828

Claim:
A method of repairing a gas turbine vane and nozzle assembly, the method comprising the steps of: fabricating a repair cover, wherein the step of fabricating the repair cover comprises the steps of: providing an alloy sheet material; machining a hole through the alloy sheet material for receiving a spoolie boss; providing a spoolie boss; inserting the spoolie boss into the machined hole; and attaching the spoolie boss securely to the sheet material surrounding the machined hole so that the spoolie boss is adapted to permit the passage of a cooling gas into a plenum chamber for conveyance to a plurality of cooling openings in at least one vane when the repair cover is attached to a vane and nozzle assembly; removing an undesired plenum cover from the plenum casting of a vane and nozzle assembly, wherein the undesired plenum cover is adapted to direct the flow of the cooling gas into a plenum chamber for conveyance to a plurality of cooling openings in the at least one vane; positioning the repair cover over a plenum casting of the vane and nozzle assembly, the repair cover in a desired alignment with the vane assembly; and attaching the repair cover to the plenum casting of the vane and nozzle assembly to form a repaired nozzle and vane assembly having a plenum chamber for conveyance of cooling gas to a plurality of cooling openings in the at least one vane.