As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DISAGREE WHEN RETRACTING GEAR. GEAR PIN STILL FOUND IN RIGHT MAIN LANDING GEAR (FLIGHT 5016 - FILED CLOSED) REMOVED RH MLG LOCKPIN IN REF TO CRJ 200 AMM 10-11-00. PERFORMED VISUAL INSPECTION OF MLGS AND DOORS IN REF TO CRJ 200 AMM 32-10-00, NO DEFECTS NOTED. AIRCRAFT OK FOR CONTINUED SERVICE.