As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5138 RECEVIED A LEFT 14TH STAGE DUCT MESSAGE DURING CLIMBOUT OF CAE, CREW DECLARED AN EMERGENCY, LEFT ENGINE WAS SHUT DOWN AND RETURNED TO THE FIELD, AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE 14TH STAGE HEAT SENSING ELEMENT.