As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE, NR 2 PROP RPM NOTED TO HAVE INCREASED AND TORQUE SPLIT DEVELOPED. CREW DIVERTED ACFT AND WERE UNABLE TO SHUTDOWN ENGINE WITH THE CONDITION LEVER -T-HANDLE PULLED TO SHUTDOWN ENGINE. THE ENGINE CONTROL SPRING STRUT WAS FOUND TO HAVE FRACTURED. THE STRUT IS PN 87620128-001.