As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED ENGINE DUCT LEAK WARNING DURING FLIGHT. COMPLIED WITH QRH WARNING WOULD NOT EXTINGUISH; FOLLOWED QRH WHICH LED TO PRECAUTIONARY ENGINE SHUTDOWN. REPLACED THE SENSOR OVER THE PRESSURE REGULATOR ON THE LT SYSTEM. OPERATION CHECK GOOD.