What was found
FWD CARGO COMPARTMENT; BETWEEN STA 500A AND 520; WL 155; RBL 25 AREA R/H Z ANGLE IS CORRODED TOP SKIN SURFACE IN SEVERAL AREAS AS MARKED / FWD CARGO COMPARTMENT BETWEEN STA 500A - 520; WL 155 RBL 25; RH Z-ANGLE; REMOVED CORROSION; ORIGINAL .040' LOSS .040'; 100% MATERIAL LOSS. OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED AND REPLACE RH Z-ANGLE BS-500A - 500I. IAW SRM 51-40-02-0G-0; AND DWG 143A1500 REV- P/N 143A7501-188