As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL INFLIGHT T2303/13APR - ORD - DFW DURING CRUISE AT FLIGHT LEVEL 320, CREW HEARD LOUD BANG AND FELT A YAW. INDICATIONS SHOWED THE LEFT ENGINE SHUTDOWN. LANDED STL WITHOUT INCIDENT. SINGLE ENGINE TIME APPROXIMATELY 15 MINUTES. REPLACED LEFT ENGINE ON 15 APR 2007 AT STL DUE TO TURBINE BLADE FAILURE. SYSTEM GROUND CHECKED NORMAL OPERATION.