As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF THE NUMBER 2 TORQUE WAS SUPPOSED TO BE AT 90% AND WAS AT 94%, THE RPM WAS SUPPOSED TO BE 100% AND WAS 98%. NO SURGES, NO CAUTIONS. HAPPENED WHILE CLIMBING THROUGH 100. FOLLOWED ENGINE FAILURE CHECKLISTS AND MANUALLY SHUTDOWN #2 ENGINE. AIRCRAFT WAS CONFIGURED FOR NORMAL TAKEOFF. RETURNED TO FIELD. LANDING UNEVENTFUL. REMOVED FROM SERVICE. REMOVED AND REPLACED #2 PCU.