As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - MAINTENANCE FOUND CORROSION OUT OF LIMITS ON THE FLOORBEAM AT FRAME 20. A SPLICE REPAIR WAS ACCOMPLISHED ON THE AFFECTED AREA OF FLOORBEAM IN ACCORDANCE WITH THE EMB SRM 53-21-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.