What was found
CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS500C - BS500D LBL22. MARKED. ; / [01] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 500C REMOVED 0.015' IN A AREA OF 1'X1' ORIGINAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING ATS TOOL ID ATS1225 S/N UNKNOWN; [02] VERIFIED CORRECTIVE ACTION 1; OUT OF LIMITS.; [03] LOCATED AND DRILLED NEW FLOOR TO SIDEWALL SUPPORT AT FWD CARGO BAY BS 396 TO 500D LBL22 PER SRM 51-40-05-0G-0 AND DWG 143A7500; [04] VERIFIED CORRECTIVE ACTION 3.