As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK THE NR 2 ENGINE LOWER COWLING AFT STIFFENER WAS FOUND TO BE CHAFED ALONG THE ENTIRE RADIUS. MAINTENANCE REMOVED THE DAMAGED AFT STIFFENER AND REPLACED IT WITH A NEW AFT STIFFENER IAW WITH EMB 145 SRM 51-40-02. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.