As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5780 - PHL-BHM - PILOT REPORTED A 14TH STAGE DUCT WARNING MESSAGE. UPON COMPLETION OF THE CHECK LIST AN INFLIGHT SHUT DOWN WAS INITIATED. THE AIRCRAFT MADE AN UNEVENTFUL ONE ENGINE LANDING AT BHM. MAINTENANCE INSPECTED SYSTEM, MAINTENANCE PERFORMED A HIGH POWER ENGINE TURN ON THE AIRCRAFT. COULD NOT DUPLICATE. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)