As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BNA - NOSE GEAR RED GEAR UNSAFE LIGHT ILLUMINATED ON SHORT FINAL. AIRCRAFT DID FLY BY TO VERIFY GEAR DOWN. NOSE GEAR INDICATION PIN FULLY EXTENDED. HORN AND LIGHT ON THROUGHOUT TAXI TO GATE. REPLACED CONNECTOR ON GEAR DOWNLOCK SENSOR AND PROXIMITY BOX. SYSTEM GROUND CHECKED NORMAL OPERATION.