As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT APPLIED TAKEOFF POWER FOR DEPARTURE. AT THE TIME BOTH ENGINES STABILIZED AT 1300 FT/LBS OF TORQUE THE PILOTED HEARD A LOUD BANG FOLLOWED BY A GRINDING NOISE FROM THE RT ENGINE. THE PILOT ABORTED THE TAKEOFF AND SHUTDOWN THE ENGINE AND RETURNED TO THE GATE. PRELIMINARY MX EVALUATION REVEALED THAT SEVERAL BLADES OF THE POWER TURBINE DISK HAD SEPARATED FOR UNKNOWN REASON. A SERVICEABLE POWER SECTION HAS BEEN INSTALLED AND THE ACFT HAS BEEN RETURNED TO SERVICE.