As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU - INFLIGHT MIA-BGI CREW REPORTED COCKPIT WARNING LIGHTS ILLUMINATED WITH HORN GOING OFF DURING FLIGHT. EMERGENCY DECLARED FLIGHT RETURNED SJU LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED FAULTY PROXIMITY SENSOR ELECTRONICS UNIT. SYSTEM GROUND CHECK NORMAL OPERATION.