As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH, AFTER LANDING GEAR EXTENSION, NLG DOWN LOCK GREEN INDICATION DID NOT ILLUMINATE AND RED INTRANSIT LIGHT REMAINED ON. ABORTED APPROACH. AFTER LG RESELECTION ALL LG DOWN INDICATIONS WERE NORMAL. MAINTENANCE FOUND EXCESSIVE WEAR ON NLG IDLER LINK DOWN-LOCK SWITCH ACTUATING ARM. REPLACED NLG IDLER LINK AND LG SWING CARRIED OUT NORMAL.