As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUT IS CORRODED AT LEFT OUTBOARD FLAP OUTBOARD BUTE DOOR ACTUATOR SPRING FORWARD ATTACHMENT POINT (C CHECK RO 12/28/2021) REMOVED AND REPLACED CORRODED NUT ON LH WING OB FLAP OB BUTE DOOR ACTUATOR IAW CRJ 200 AMM 27-54-25-000/400-801. REFERENCE CONTINUATION CARD FOR WORK PERFORMED.