As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE-C, MAIN DECK FLOOR STRUCTURE: FLOORBEAM UPPER CHORD BS 1580 IS CORRODED ON LOWER SIDE OF FLANGE AT LBL 70. CORROSION FOUND TO BE BEYOND LIMITS OF SRM 53-10-01. FLOORBEAM UPPER CHORD BS 1580 LBL 0 TO OUTBOARD REPLACED ACC TO SRM 51-30-02.