As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSP NOTED AFT CARGO COMPARTMENT CENTER FLOORBEAM HAS CORROSION BETWEEN FRAME C57 AND FRAME C58. MAINT REMOVED AND REPLACED CORRODED FLOORBEAM AT FRAME C57 AND FRAME C58 IAW SRM 51-41-11. UPON COMPLETION OF THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE. (B)