As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH- DURING FLIGHT 3580 THE CREW NOTED THE LEFT MAIN GEAR SYSTEM A-GREEN LIGHT ILLUMINATED IN FLIGHT SEVERAL TIMES WITH GEAR UP. MAINTENANCE CLEANED THE LEFT MAIN SYSTEM-A CANNON PLUG, PERFORMED A OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM, NO DEFECTS NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.