As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR EXTENSION. CAPTAIN DECLARED AN EMERGENCY AND AIRCRAFT LANDED WITHOUT INCIDENT. NOSE GEAR WAS PINNED ON RUNWAY AND AIRCRAFT WAS TOWED TO GATE. MAINTENANCE FOUND NOSE GEAR DOWNLOCK PROXIMITY SENSOR BROKEN. REPLACED SENSOR, OPERATIONAL CHECK NORMAL.