As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT AILERON INBOARD PCU HARDWARE IS CORRODED INBOARD. C-CHECK RO 11/24/2020. REMOVED AND REPLACED RT INBOARD AILERON PCU MOUNTING BOLTS, IAW CRJ 200 AMM AND REMOVED THE UNSERVICEABLE HARDWARE FOR THE RT INBOARD AILERON PUC OUTPUT LINK AND PLACED SERVICEABLE HARDWARE WITH RT AILERON TO BE INSTALLED WITH IT ON CAMP NR 21230370 JOB: 9800675 OP: 5175.