As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RT ENGINE FAILED WITH A BANG. CREW ACCOMPLISHED ENGINE SHUT DOWN PROCEDURE AND MADE AN UNSCHEDULED LANDING AT IAD. FOUND TURBINE FAILURE. CHECK-C 2-22-00 STL. EXCESSIVE CROSS NOTCH WEAR OF THIRD STAGE TURBINE BLADES WAS THE ROOT CAUSE OF THE FAILURE.