As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6290 - IAD-DAY - DURING CLIMB, AN UNSCHEDULED LANDING AT IAD DUE TO LANDING GEAR HANDLE WARNING LIGHT ILLUMINATED. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED UPLOCK MICROSWITCH, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)