As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK THE UPPER STRINGER ON THE CENTER FLOORBEAM BETWEEN FRAMES 22 AND 23 WAS FOUND TO BE CORRODED. MAINTENANCE REMOVED AND REPLACED THE AFFECTED STRINGER IAW EMB 135 SRM 51-40-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.