As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT HAD TO SHUTDOWN THE NR 2 ENGINE DUE TO THE NR 2 PROP OVERSPEEDING THEN AUTOFEATHERING ON TAKEOFF CLIMB. IT WAS REPORTED AS THE TORQUE BEING 120 FOR 5 SECONDS AND THE PROP RPM WAS 1234 FOR 3 TO 4 SECONDS. PROP ASSEMBLY WAS REMOVED FOR AN OVERTORQUE INSPECTION. MAINTENANCE TROUBLESHOT SYSTEMS AND REMOVED AND REPLACED THE NR 2 PCU (PROPELLER CONTROL UNIT). ALL REQUIRED SYSTEM CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE.