As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6394 - HVN-IAD - DURING APPROACH, DECLARED AND EMERGENCY DUE TO NOSE GEAR UNSAFE LIGHT ON APPROACH AFTER GEAR EXTENSION. AIRCRAFT LANDED AND RETURNED TO GATE WITH NO FURTHER INCIDENT. MAINTENANCE ADJUSTED NOSE DOWNLOCK MICROSWITCH. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)