As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH WITH GEAR SELECTED DOWN THE NOSE GEAR DID NOT SHOW A DOWN INDICATION. EMERGENCY WAS DECLARED AND GEAR MANUAL EXTENSION PERFORMED. LANDING WAS UNEVENTFUL. MAINTENANCE REMOVED THE NOSE LANDING GEAR ACTUATOR AND SENT OUT FOR SERVICE. THE ACTUATOR WAS REINSTALLED. GEAR SWINGS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.