What was found
RH AILERON HINGE #4 ANIT ROTATION PLATE NUT AND WASHER CORRODED. (C-CHECK RO 4/1/2021) REMOVED AND INSTALLED NEW SERVICEABLE NUT AND WASHER ON R/H AILERON HINGE #4 ANTI ROTATION PLATE IAW CRJ 200 AMM 20-21-00-910-801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RH AILERON HINGE #4 ANIT ROTATION PLATE NUT AND WASHER CORRODED. (C-CHECK RO 4/1/2021) REMOVED AND INSTALLED NEW SERVICEABLE NUT AND WASHER ON R/H AILERON HINGE #4 ANTI ROTATION PLATE IAW CRJ 200 AMM 20-21-00-910-801.