As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT FROM BUF, NOSE LANDING GEAR UNSAFE AND GEAR DOOR OPEN LIGHTS REMAINED ON AFTER GEAR WAS RETRACTED. RECYCLED GEAR AND NORMAL INDICATIONS WERE ARCHIEVED. FLIGHT CONTINUED TO DESTINATION (DTW) AND LANDED WITHOUT INCIDENT. REPLACED LANDING GEAR PROXIMITY CONTROL BOX. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE.