Patent ID: 7546684

Claim:
A method for refurbishing a combustion chamber of a gas turbine engine, comprising the steps of: removing a combustor from the combustion chamber of the engine; removing the inner liner assembly aft of a forward bolt flange, the inner liner assembly farther comprising a multi-hole panel region at its proximal end adjacent to the forward bolt flange and a distal end farther comprising an aft lip region aft of the multi-hole panel region, an aft seal flange region extending from the aft lip region and an aft panel support leg extending from the aft seal flange region; separating the multi-hole panel region from the inner liner assembly aft of the forward bolt flange; separating the aft panel support leg from the aft seal flange region; discarding the separated multi-hole panel region, the aft lip region and aft seal flange region; providing a replacement multi-hole panel region and an aft lip region/aft seal flange region; inspecting and refurbishing the aft panel support leg and the forward bolt flange; joining the replacement multi-hole panel region to the replacement aft lip region/aft seal flange region at an aft lip region joint prep; joining the refUrbished aft panel support leg to the aft seal flange region; joining the replacement multi-hole panel region to the inner liner assembly aft of the refurbished forward bolt flange to reform the inner liner assembly; and coating exposed metal surfaces of the reformed inner liner assembly with a thermal barrier coating system.