What was found
FWD CARGO ENTRY THRESHOLD FLOOR WEB UPPER SURFACE HAS CORROSION NUMEROUS PLACE AS MARKED. (DOT ATTACH). GROUNDED - YES. REMOVED CORROSION, ORIG THICKNESS .045". REMOVED .016", REMAINING .029" FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-30-15-1A-1. REMOVED DAMAGED WEB, LOCATED, DRILLED & COUNTERSUNK NEW WEB P/N: 143A8122-10 P.O.1064915.2 & INSTALLED IAW B737-900 SRM 51-40-02, SRM 51-40-05 & BAC DWG 143A8330 REV F. TOOL# T8224P CAL DUE: 01-03-2024 REMOVED DOT.