As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5756, IAH TO SDF - DURING CRUISE, THE FLIGHT CREW RECEIVED AN E1 14TH STAGE DUCT MESSAGE AND DIVERTED TO AEX WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED THE DUCT TEST WITH NO DEFECTS NOTED AND INSPECTED THE PYLON AND COWL DUCTS WITH NO DEFECTS NOTED. THE ENGINES WERE RUN WITH NO FURTHER MESSAGES AND THE AIRCRAFT WAS RETURNED TO SERVICE.