As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN THE LANDING GEAR WAS EXTENDED, THE LT GREEN LIGHT DID NOT ILLUMINATE. THE PRESS TO TEST WAS TRIED AND THE BULB ILLUMINATED. CREW CYCLED GEAR 2 OR 3 MORE TIMES. A FEW SECONDS AFTER THE LAST TIME IT WAS EXTENDED, THE GREEN LIGHT ILLUMINATED. THE AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED LT DOWN OCK INDICATION SWITCH.