As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOORBEAM AT FS280.00 UPPER FLANGE IS CORRDOED. LOCATED BETWEEN DRIP TRAY AND FLIGHT COMPARTMENT BULKHEAD WALL LOWER L ANGLE. RT SIDE OF FLOORBEAM. C/A-REMOVED CORRODED RT FS280 CROSSBEAM AND INSTALLED RT FS280 CROSSBEAM IAW SRM 51-42-06, 51-42-13, 51-42-21.