As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED ENGINE SHUT DOWN AND FEATHERED ON ITS OWN ON TAKE-OFF. MAINTENANCE INSPECTED THE LT AND RT ENGINE FUEL SYSTEM, INTAKE SYSTEM, IGNITION SYSTEM AND PROPELLER. PERFORMED LT AND RT ENGINE FULL POWER RUN UP SEVERAL TIMES WITH ALL PARAMETERS GOOD. NO DISCREPANCIES FOUND. AIRCRAFT WAS RETURNED TO SERVICE AND HAS BEEN OPERATING NORMALLY.