As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMBOUT, FLIGHT CREW OBSERVED ENGINE NR 2 PROPELLER OVERSPEED. FLIGHT CREW ELECTED TO PERFORM AN INFLIGHT SHUTDOWN OF ENGINE NR 2 AND RETURNED TO DEPARTURE AIRPORT. ACFT LANDED UNEVENTFULLY. TECHS WILL BE GOING ONSITE TO PERFORM TROUBLESHOOTING.