What was found
WHILE PERFORMING WC 53-5330-1-2801, FOUND CORROSION AT FWD CARGO DOOR SILL PLATE AREA AT LOWER AFT END 18 INCH LENGTH AREA, AND FWD END AT NUT PLATE HOLES FOR SILL PLATE ATTACH POINTS. REMOVED AND REPLACED FWD CARGO ENTRANCE Z-ANGLE AS PER SRM 51-4-0-02.