As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, CORROSION WAS FOUND ON THE CABIN FLOOR CENTER FUSELAGE I ANGLE UNDER CARBON POST AT FRAME 18 ON LEFT OMEGA BEAM ANGLE. MAINTENANCE REPLACED THE CENTER FUSELAGE UNDER CARBON POST FRAME 18 ON LEFT OMEGA BEAM WITH NO FURTHER DEFECTS NOTED.