What was found
AFT CARGO COMPARTMENT; WL 156; RBL 23; THRESHOLD SUPPORT STRUCTURE; FROM STA 787+15 THRU STA 807; HAS MULTIPLE AREAS OF CORROSION; AS MARKED DOT 002 / EVALUATED CORROSION ON AFT CARGO DOOR CUTOUT LOWER SILL WEB; AT WL156 AND RBL23; STA 787+15 TO STA 807; ORIGINAL .050' LOSS OF .015' REMAINING .035' FOUND OUT OF LIMITS IAW B737 SRM 53-60-15-119-1. REMOVED AND REPLACED WEB IAW B737 BOEING DRAWING 146A8340 REV- AND B737 SRM 51-40-02-0G-0 146A8123-25