As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 746 SJU-MCO, AIRCRAFT DIVERTED TO PBI DUE TO BLEED 2 EICAS MESSAGE. CREW FOLLOWED QRH AND ON DESCENT AT 18,000 FEET THE LIGHT EXTINGUISHED. THE LIGHT CAME BACK AND INTERMITTENT AT 10,000 FEET AND BELOW. ON TROUBLESHOOTING FOUND CHANNEL 1 PYLON LOOP FAULTING. THE TECHNICIAN REMOVED AND REPLACED RT PYLON LEAK DETECTOR LOOP A IAW AMM 36-21-02. OPS AND LEAK CHECK OK. HIGH POWER RUN WAS ACCOMPLISHED AND FOUND OK.