As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NO NOSE GEAR DOWN LOCK INDICATION ON FINAL APPROACH. LIGHT TESTED MORMAL. CREW DECLARED EMERGENCY AND PERFORMED EMERGENCY GEAR EXTENTION. STILL NO NOSE GEAR INDICATION. LANDING WAS UNEVENTFUL. MX REMOVED AND REPLACED DEFECTIVE DOWN LOCK SWITCH. ACFT RELEASED BACK TO SERVICE.