As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*LEFT AILERON ASSEMBLY @WS 340.236 CENTER HINGE ASSEMBLY BOLT RETAINER FOR THE OUTBOARD BOLT, HAS CORRODED FASTENERS (C-CHECK RO 8/1/2021) REMOVED AND REPLACED LEFT AILERON CENTER HINGEASSEMBLY OUTBOARD RETAINER BOLT REF CRJ-200 AMM 27-15-01-000-801 AND 27-15-01-400-801