As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, GEAR DOWN LANDING CHECKLIST, GEAR CAME DOWN, THREE GREEN WITH THREE AMBER LIGHTS WHICH REMAINED ON NO OTHER LIGHTS ASSSOCIATED. REPLACED THE LANDING GEAR SELECTOR VALVE, FUNCTIONAL AND LEAK CHECKED. NO DEFECTS NOTED. RETURNED TO SERVICE.