As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING OUTBOARD FLAP, OUTBOARD HINGE BOX FWD SUPPORT LUG FITTING HARDWARE IS CORRODED. C-CHECK RO 9/5/2020. REMOVED AND WET INSTALLED 4 EACH NUTS, WASHERS, AND BOLTS AT WS264 HINGEBOX SUPPORT STRUCTURE, REF CRJ 700 AMM. ALL CHECKS GOOD.