As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE LEFT MAIN LANDING GEAR SYSTEM A GREEN LIGHT INTERMITTENTLY ILLUMINATES IN FLIGHT WITH THE GEAR RETRACTED. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND LIGHT CORROSION ON THE A SYSTEM PROXIMITY SWITCH CANNON PLUG. THE CORROSION WAS REMOVED, AN OPERATIONAL CHECK WAS PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE.