As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING O/B FLAP HAS EVIDENCE OF POSSIBLE CORRODE HARDWEAR ON MID HINGE ARM AFT LUG FITTING (C CHECK RO 1/04/2021) REMOVED THE CORRODED HARDWARE AT THE AFT LUG ON THE MID HINGE ARM AND REPLACED IT WITH NEW HARWARE REF CRJ700 AMM 57-53-27-000-802 (CONFIG A01) & REF CRJ700 AMM 57-53-27-400-802 (CONFIG A01) STEPS 4A(4) - 5