What was found
FORWARD CARGO COMPARTMENT DOOR THRESHOLD WEB, TOP SURFACE HAS MULTIPLE AREAS OF CORROSION. GROUNDED - YES. CORROSION ON FWD CARGO COMPARTMENT THRESHOLD WEB FOUND TO BE OUT OF LIMITS. ORIGINAL THICKNESS WAS .045, REMAINING MATERIAL THICKNESS IS .024. TOTAL MATERIAL LOSS OF .021 IAW B737-800 SRM 53-30-15-1A-1 TOOL T8224M CAL DUE 11/11/2025. REMOVED AND REPLACED FWD CARGO COMPARTMENT THRESHOLD WEB IAW B737-800 SRM 51-40-02 AND BAC DWG 143A8330 REV B.