As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH WING OB FLAP OB HINGE BOX MID IB ATTACH BOLT NUT AND MID HINGE BOX MID ATTACH POINT IB AND OB MOUNT BOLT NUTS ARE CORRODED (C-CHECK RO 10/07/2021) REMOVED AND REPLACED LH WING OB FLAP OB HINGE BOX MID IB ATTACH BOLT NUT AND MID HINGE BOX MID ATTACH POINT IB AND OB MOUNT BOLT NUTS IAW CRJ 200 AMM TASK 57-21-35-000-802/400-802 AND 57-21-35-000-803/400-803.