As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROXIMATELY 09:30 THIS MORNING, THE RT ENGINE OF KING AIR 200 HAD AN IN-FLIGHT TORQUE ROLL BACK TO APPROX 200 FT LBS, WITH A RISE IN ITT TO APPROX 680 DEG C, WITH A POPPING NOISE AND CORRESPONDING FLAMES FROM THE RT ENGINE EXHAUST. THE CREW INITIATED THE ENGINE SHUTDOWN.