As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH WITH GEAR DOWN SELECTION, THE LEFT AND RIGHT MAIN GEAR CAME DOWN NORMALLY. THE NOSE GEAR INDICATED RED NOT DOWN ON THE NORMAL INDICATOR AND THE ALTERNATE GEAR INDICATOR. RAN THE E/A CHECKLIST TO EXTEND THE GEAR NORMALLY. NOSE GEAR CAME DOWN. NORMAL LANDING. REMOVED FROM SERVICE. REMOVED AND REPLACED THE NLG DOORS MECHANICAL SEQUENCE VALVE, OPS CHECKED GOOD. RETURNED TO SERVICE.