As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH OUTB FLAP, OUTB HINGE ARM ASSY HAS EVIDENCE OF CORRODED HARDWARE AT FWD ATTACH BOLT STOP PLATES, LEFT AND RIGHT SIDES. (FLAGGED) (C-CHECK RO 12-4-2021) REMOVED 4 EA. CORRODED BOLTS ON OUTBOARD FLAP HINGE ARM ATTACH POINT LH & RH STOP PLATES AND REPLACED WITH NEW BOLTS. REF. CRJ200 SRM 51-41-02.