As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE TORQUE FLUX AT ROTATION, INCREASED DURING CLIMB AT 500 FT AGL THE ENGINE FEATHERED AND ALL OTHER INDICATIONS WERE NORMAL. AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT FURTHER PROBLEMS. NR 2 TORQUE PROBE PINS FOUND CORRODED. PROBE REPLACED AND ENGINE INDICATIONS CHECKED GOOD ON GROUND RUN.