As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6286 - IAD-CMH - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO LANDING GEAR WOULD NOT RETRACT. AIRCRAFT LANDED AND WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REPACKED NOSE GEAR. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)