As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH WING OB FLAP HINGE BOX AT WS.220.00 BUSHINGS AND BOLT ARE GOUGED AND REQUIRE REPLACEMENT (C CHECK RO 12/28/2021) REMOVED AND INSTALLED NEW SERVICABLE IB BUSHINGS AND BOLT ON RH WING OB FLAP HINGE BOX ASSY IAW CRJ 200 AMM 57-21-35-000/400-802. SEE CONTINUATION CARD FOR WORK PERFORMED.