As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THIS MORNING THE PILOT WAS IN CRUISE WHEN A LOUD BANG OCCURRED AND THE TOT INCREASED. WITH NO ENGINE, THE PILOT AUTOROTATED TO A CLEAR SPOT TO THE GROUND. NO DAMAGE TO AIRCRAFT. THE ENGINE HAD FAILED. A VISUAL OF THE TURBINE SECTION SHOWS SUBSTANTIAL DAMAGE. AT THIS TIME UNKNOWN SOURCE OF WHAT CAUSED THIS DAMAGE.