As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6420 - PWM-IAD - DURING CLIMB, AN UNSCHEDULED LANDING DUE TO GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED GEAR SELECT HANDLE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)