As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE 14TH STAGE DUCT LEAK WARNING MESSAGE, INFLIGHT ENGINE SHUTDOWN AND DIVERTED TO TLH. PROBLEM COULD NOT BE DUPLICATED ON GROUND, THE BLEED AIR SHUT-OFF VALVE WAS NOT CLOSING FULLY AND WAS REPLACED, THE BLEED LEAK DETECTOR LOOP WAS ALSO REPLACED AS A PRECAUTION.