As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH AILERON OB HINGE FITTING ON AFT SPAR IS CORRODED. (C-CHECK RO 8/5/2021) INSTALLED NEW SERVICABLE RH AILERON OB HINGE SACRIFICIAL PLATES IAW SNIEO 601R10064S06, CRJ-200 SRM 51-42-06 AND 51-41-02. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.