As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE ON APPROACH INTO GFK. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NOSE LANDING GEAR DOWNLOCK SWITCH, OPERATIONAL CHECK NORMAL ON GEAR SWING.