As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BS 280 FLOORBEAM HAS CORROSION COMING OUT FROM BETWEEN IT AND THE DOULBER OTBD OF LBL 9.0 3" AREA. REMOVED FLOORBEAM LT SIDE IAW SRM 51-42-06-001-001. LOCATED AND DRILLED NEW LT FS280 FLOORBEAM AND INSTALLED IAW SRM 51-42-06-001-001. MAJOR REPAIR.