As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, WHEN LANDING GEAR WAS SELECTED DOWN, THE DOWN AND LOCKED GREEN LIGHTS DID NOT ILLUMINATE ALTHOUGH THE GEAR FELT LIKE IT EXTENDED. THE GEAR WAS BLOWN DOWN BUT THE INDICATION DID NOT APPEAR. THE COCKPIT FLOOD LIGHTS WERE SELECTED AND THE DOWN AND LOCKED GREEN LIGHTS APPEARED. A NORMAL LANDING FOLLOWED. TROUBLESHOOTING REVEALED A FAILED PCB NZ124 IN THE LT CONSOLE. REPLACED PCB NZ124 OPS CHECK OF LANDING GEAR WAS GOOD AND THE AC RETURNED TO SERVICE.