As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS, THE NOSE GEAR GREEN LIGHT DID NOT ILLUMINATE WHEN GEAR WAS SELECTED TO THE DOWN POSITION. WE CYCLED THE GEAR THREE TIMES TO NO AVAIL. PROCEEDED TO EMERGENCY GEAR DOWN PROCEDURES VIA CHECKLIST AND GOT A GREEN NOSE GEAR LIGHT. LANDED UNEVENTFULLY. MAINTENANCE REMOVED AND REPLACED THE NOSE GEAR DOWNLOCK SWITCH. GROUND OPS CHECK SATISFACTORY. OPERATIONAL FLIGHT CHECK SATISFACTORY.