As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVE RH AILERON PCU LINKS AND REPLACE THE SPHERICAL BALLS (IAW CMM 27-14-01) THEN REINSTALL THE LINKS (IAW AMM) (C-CHECK) RO 8/28/2020 REMOVED R/H AILERON INBOARD AND OUTBOARD PCU OUTPUT LINK SPHERICAL BEARINGS. REF. CRJ 200 CMM. REPLACED R/H AILERON INBOARD AND OUTBOARD PCU OUTPUT LINK SPHERICAL BEARINGS. REF. CRJ 200 CMM AND CRJ 200 AMM. PERFORMED AN OPERATIONAL TEST OF THE AILERON CONTROL SYSTEM. REF. CRJ 200 AMM. ALL CHECKS GOOD. TASK CARD COMPLIED WITH