As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORT: LEFT ENGINE FAILURE IN FLIGHT. TORQUE ROLLED BACK SLOWLY TO 0 NG INDICATED APPROX 55 FUEL FLOW 100 PPH. ATTEMPTED STARTER ASSIST AIRSTART. PROP FEATHERED AND UNFEATHERED NORMALLY. SAME INDICATIONS FOR RESTART. SECURED ENGINE. 1300 LBS OF FUEL ON BOARD. MAINTENANCE REPORT: THE CAUSE OF THE FAILURE HAS YET TO BE DETERMINED.