As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED WHEEL WELL FIRE WARNING AND HORN SOUNDED DURING CRUISE. INDICATION WENT OUT ON TURN AROUND. EMERGENCY DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED WHEEL WELL OVERHEAT MODULE. SYSTEM GROUND CHECK NORMAL OPERATION.