As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH- DURING C-CHECK IT WAS NOTED THAT THE GALLEY AREA HAS NUMEROUS AREAS OF CORROSION ON UPPER SURFACES OF FLOORBEAMS FROM FRAME 15 TO FRAME 23. MAINTENANCE REMOVED AND REPLACED THE RIGHT FLOOR SILL FROM FRAME 19 TO FRAME 20 AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE, WHEN RELEASED FROM C-CHECK.