As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 826AX MOD-DISCOVERED MAIN CABIN FLOORBEAMS, ATTACH FITTINGS, GUSSETS AND BRACKETS HAVE CORROSION FROM BL ZERO TO RIGHT CUSP BS 55.000 IN MAIN CABIN. REPAIRED FUSELAGE STATION 55.000 FLOORBEAM THAT HAD AREAS OF CORROSION IN THE MAIN CABIN IAW ABX REA D853-12718MR.