As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE FLIGHT, THE CREW EXPERIENCE AN UNSCHEDULED FEATHERING OF NR 2 PROPELLER. THE CREW TRY TO REGAIN CONTROL OF THE PROPELLER WITH NO SUCCESS. THE ENGINE WAS SHUTDOWN AND THE AIRPLANE RETURNED TO AIRPORT SAFELY. THE NR 2 PROPELLER BETA SYSTEM SWITCH WAS FOUND FAULTY. SWITCH REPLACED AND AIRCRAFT RETURNED TO SERVICE.