As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS - AIRCRAFT CURRENTLY IN A C-CHECK STATUS AND INSPECTION FOUND THE RT FLOOR SILL FROM FR 53 TO FR 59 CORRODED. MAINTENANCE REMOVED AND REPLACED THE FLOOR SILL IAW EMB 145 SRM 51-40-02. ALL WORK WAS ACCOMPLISHED AND WILL BE RETURNED TO SERVICE AT THE END OF THE CHECK.