As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH THE PILOT SELECTED GEAR DOWN AND RECEIVED THREE GREEN AND A RED INDICATION. THE PILOT ELECTED TO FLY BY THE TOWER FOR VISUAL OF THE GEAR DOWN. THE TOWER CONFIRMED THE GEAR WAS DOWN. DURING THE DOWNWIND PHASE OF FLIGHT THE RED LIGHT EXTINGUISHED AND THE PILOT LANDED NORMALLY.