As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, CREW SELECTED LANDING GEAR DOWN. RT MAIN SHOWED UNSAFE. CREW ABORTED APPROACH AND PERFORMED QRH PROCEDURES TO ATTEMPT TO REMEDY THE PROBLEM. UNSAFE INDICATION REMAINED, CREW DECLARED AN EMERGENCY. LANDING PROCEEDED WITHOUT INCIDENT. THE UNSAFE INDICATION WAS DETERMINED TO BE A FALSE WARNING.