What was found
DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL AT STA 860, RBL 8.1. REMOVED DAMAGED SECTION OF FLOOR SUPPORT, FABRICATED AND INSTALLED REPAIR PARTS PER SRM 53-60-53, 53-00-53, 51-40-02 AND SOPM 20-41-02.