As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)LOST ENGINE CONTROL WITH POWER LEVER. WHEN RETARDING POWER FOR LANDING, ENGINE REMAINED AT CRUISE POWER. ENGINE SHUTDOWN AND SINGLE ENGINE LANDING MADE. FOUND ARM SEPARATED FROM PROPELLER PITCH CONTRO L. NUT AND BOLT HAD COME LOOSE.