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 THE RIGHT AFT FLOOR SILL AT FR22-23 WAS FOUND CORRODED IN SEVERAL PLACES. MAINTENANCE REMOVED AND REPLACED THE AFT SERVICE DOOR SILL IAW EMB-135/145 SRM 51-40-02. THE REPAIR WAS SATISFACTORY AND THE AIRCRAFT WILL BE RELEASED UPON COMPLETION OF THE INSPECTION.