As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, THE LEFT MAIN LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. RECYCLED GEAR TWICE BEFORE NORMAL INDICATIONS WERE ACHIEVED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A BAD SOCKET ON THE LEFT MAIN GEAR DOWNLOCK SWITCH. REPLACED SWITCH, OPERATIONAL CHECK NORMAL ON GEAR SWING.