As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, NR 2 ENGINE TORQUE DROPPED WITH A CONTINUING RISE IN ENGINE TEMPERATURE. PILOT RETARDED NR 2 ENGINE AND MADE UNEVENTFUL LANDING. MAINTENANCE FOUND DEFECTIVE NR 2 ENGINE TORQUE TRANSMITTER. REF: ALLISON C-30 IPC, CHAPTER 73-31-00, FIGURE 1-18.