What was found
CORROSION, REAR SPAR SKIN, LT WING INBOARD FIXED TRAILING EDGE CAVITY REAR SPAR SKIN NEAR FUEL PUMP JUMPER AREA WS 425. REMOVED THE DAMAGED DOUBLER, IAW SRM 51-40-02 REV 110. INSTALLED A NEW DOUBLER, IAW SRM 51-40-02 REV 110 AND BOEING DWG NO 112U1001 SH3 REV F 112U1001 SH 2 REV G, 112U1001 SH1 REV H. JOB COMPLETED AND CONDITION CHECK NORMAL.