As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6194 - IAD-EWR - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO ALL 3 GEAR INTRANSIT LIGHTS REMAINED ILLUMINATED AFTER GEAR SELECTED UP. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE REMOVED AND REPLACED NLG RETRACTION JACK. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)