As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPPER FUSELAGE BS 867, LBL 25 TO LBL 45 CORRODED ON LWR FLANGE OF FLOORBEAM. CORROSION BEYOND LIMITS WAS NOTED ON THE LOWER FLANGE OF THE MAIN DECK FLOORBEAM AT BS 867 FROM LBL 25-LBL 45. REPAIRED IAW SRM R108, 53-10-9, FIG 7. REF KFC MCO3218, W/O 1364373.