As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO LANDING, THE PILOTS SELECTED GEAR DOWN AND THE LEFT MAIN GEAR INDICATION WAS NOT DOWN AND LOCKED, THE LEFT GEAR MISCOMPARE LIGHT WAS ON. THE PILOTS FOLLOWED THEIR CHECK LIST PROCEDURES AND DECLARED AN EMERGENCY, LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED A DOWNLOAD OF THE ARES SYSTEM AND THE CAUSE WAS THE LEFT MAIN LANDING GEAR UPLOCK SWITCH.