As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION IN CVG, FLOOR FRAME 18 UPPER SURFACE HAS MULTIPLE CRACKS AND CORROSION, FROM 3.2500 INCH RIGHT OF NR 3 SEAT RAIL AND ENDS UNDERNEATH NR 4 SEAT RAIL. MAINTENANCE REPAIRED IAW EO NR A53124, REFER TO 409 NR 128103 FOR FURTHER DETAIL. A/C RELEASE DATE 7/25/2003.