As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT AILERON UPPER HINGE LINE SKIN IS CHAFED FROM WS 311 TO WS 353 APPROXIMATELY .25 IN WIDE X .020 IN DEEP. C-CHECK RO 1/16/2021. REMOVED AND REPLACED LT AILERON UPPER LEADING EDGE, IAW CRJ 200 SRM 51-42-06 AND SRM 51-42-13. PAINTED TOP COAT, IAW CRJ 200 SRM 51-25-00.