What was found
CORROSION, AFT CARGO LEFT Z CHANNEL DOUBLER HAS CORROSION AT BS 767+5'. REMOVED CORROSION AT Z CHANNEL CLIP DOUBLER, AS PER B737-700 SRM 51-10-02-0G-0 AND FOUND OUT OF LIMITS (EXFOLIATION CORROSION). REMOVED Z CHANNEL DOUBLER, AS PER B737-700 SRM 51-40-02-0G-0. FABRICATED NEW DOUBLER WITH BAC1496-377 7075T6, AS PER B737-700 SRM 53-60-53-01-2 AND DWG 146A7902. LOCATED AND DRILL NEW DOUBLER, AS PER B737-700 SRM 51-40-09-06-01. TREATED AND PRIMED, AS PER B737-700 AMM 51-00-58-201 AND B737-700 AMM 51-21-72-370-802. INSTALLED NEW DOUBLER, AS PER B737-700 SRM 51-40-02-0G-0.