As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - DURING A SCHEDULED 4C INSPECTION CORROSION WAS FOUND ON THE CENTER AREA OF THE FLOORBEAM AT FR 20>23. REMOVED AND REPLACED THE FLOORBEAM IAW EMB 135/145 SRM 51-40-02. ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED UPON COMPLETION OF ALL 4C INSPECTION.