As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING C-CHECK THE SERVICE DOOR LOWER THRESHOLD WAS FOUND TO BE CORRODED AROUND THE NUT PLATES. MAINTENANCE REMOVED AND REPLACED THE AFFECTED SILL IAW EMB 145 SRM 51-40-02. THE AIRCRAFT WILL BE RETURNED TO SERVICE UPON COMPLETION OF C-CHECK.