As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE WAS SENT FOR INVESTIGATION AFTER THE CUSTOMER REPORTED AN IN FLIGHT SHUTDOWN WITH TORQUE AT ZERO AND T5 AT MAXIMUM OF THE GAGE. ALSO REPORTED PRESENCE OF OIL AND METAL FLAKES IN THE EXHAUST DUCT AND SCRAPPING NOISE WHEN TURNING THE PROPELLER.