As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAY - FLIGHT 3229, THE CREW REPORTED THAT THE NUMBER TWO PROPELLER WENT INTO FEATHER UNCOMMANDED. THE AIRCRAFT LANDED AT DAY WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO TORQUE SIGNAL CONDITIONER UNIT (TSCU), AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.