As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SHORTLY AFTER T/O, A LOUD NOISE WAS HEARD AND ENGINE TORQUE DROPPED TO ZERO ACCOMPANIED WITH FLAMES COMING OUT OF THE EXHAUST. THE ENGINE WAS SECURED AND THE CREW RETURNED TO THE DEPARTURE POINT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS ACCOMPLISHED. POST FLIGHT INSPECTION REVEALED FRACTURED POWER TURBINE BLADES. THE ENGINE WILL BE SENT TO MFG FOR INVESTIGATION AND REPAIRS.