What was found
FWD CARGO DOOR CUTOUT LOWER SILL UPPER SUPPORT PLATE EXT SKIN HAS SEVERAL SPOTS OF CORROSION BETWEEN FWD AND AFT EDGE. GROUNDED - YES. REMOVED CORROSION.ORIGINAL THICKNESS .045."REMOVED .015". REMAINING .030".FOUND TO BE OUT OF LIMITS.REMOVED OLD WEB. LOCATED AND DRILLED NEW WEB.P/N: 654A0003-58 PO: 1402346.1 & INSTALLED IAW B737-800 SRM 53-30-15, SRM 51-40-02 SRM 51-40-05 AND BAC DWG 143A8330 REV A. TOOL# T8224M CAL DUE: 18/OCT/2022