As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - DURING A SCHEDULED INSPECTION CORROSION WAS FOUND ON THE LEFT HAND FLOOR SILL AT FRAME 18. MAINTENANCE REMOVED AND REPLACED THE FLOOR SILL IAW EMB SRM 51-60-02, THE REPAIR WAS FOUND TO BE SATISFACTORY. THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF INSPECTION.