As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU - INFLIGHT STI-JFK. CREW REPORTED EICAS AMBER LEFT ENGINE FUEL FILTER. ENGINE PERFORMED NORMALLY. EMERGENCY DECLARED DIVERTED SJU LANDED WITHOUT INCIDENT. REPLACED FUEL FILTER DIFFERENTIAL PRESSURE SWITCH AND FUEL FILTER. SYSTEM GROUND CHECK NORMAL OPERATION.