As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF NR 2 ENGINE TORQUE DECREASED. NOTICED TORQUE DECREASING SLOWLY AND AT ABOUT 20 PERCENT ENGINE FEATHERED. REMOVED AND INSPECTED OIL TANK CHIP DETECTOR. FOUND HAIRLIKE SLIVERS. CLEANED AND REINSTALLED. REMOVED MAIN OIL FILTER FOUND SMALL QUANTITY OF FLAKES. CLEANED AND REINSTALLED.