As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WING PLANK LAND AT 550HB HAS FRETTING CORROSION, MARKED. C-CHECK RO 11/23/2020. REMOVED CORROSION ON LT WING PLANK LAND AT 550HB, REF REO. FOUND TO BE WITH IN LIMITS. COMPLIED WITH ALL STEPS OF REO, NO LEAKS NOTED. BONDING TEST GOOD, REF CRJ 200 AMM TUC7801 DUE 28FEB21. COMPLIED WITH TASK CARD.