As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK INSPECTION BUTTSRAP ON CENTER FLOORBEAM WAS FOUND TO HAVE CORROSION BETWEEN FRAMES 18 AND 23. MAINTENANCE REMOVED AND REPLACED CENTER FLOORBEAM BETWEEN FRAMES 18 AND 23 IAW EMB 145 SRM 51-40-02. THE AIRCRAFT WAS APPROVED TO RETURN TO SERVICE.