As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H AILERON HAS 2 EA. ATTACH POINT BOLT RETAINERS WITH CORRODED HARDWARE, BONDING JUMPER ATTACH BOLT IS CORRODED(AT RIBLET),AND NUT CORRODED AT FLUTTER DAMPER TO AILERON ATTACH POINT (C-CHECK RO 8/29/2021) REMOVED AND REPLACED CORRODED HARDWARE ON LH AILERON IAW CRJ 200 AMM 27-15-01-400-801 REF MX TRANS# 22675578 FOR INSTALL/OPS/ AND RIGS OF THE LH AILERON