As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH TO HIGH LEVEL WHEN GEAR WAS EXTENDED THE GREEN NOSE GEAR DOWN LIGHT DID NOT ILLUMINATE. THE RED IN TRANSIT LIGHT HAD EXTINGUISHED. AIRCRAFT LANDED UNEVENTFULLY AND WAS INSPECTED AND DEEMED SAFE FOR SPECIAL FLIGHT PERMIT WITH NO PAX. MAINTENACE FOUND THE NOSE GEAR DOWNLOCK SWITCH TO BE DEFECTIVE. IT WAS REPLACED AND GEAR SWINGS SHOWED NO FURTHER PROBLEMS.