As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO FIELD. ON INITIAL CLIMB-OUT, NR 2 ENGINE TORQUE SURGED TO 101 PERCENT, THEN TO 126 PERCENT. NO NOTICEABLE YAW OF AIRCRAFT, ALL OTHER INDICATIONS NORMAL. REMOVED AND REPLACED FLIGHT DATA RECORDER (980-4700-001) FOR DATA INFORMATION AND TORQUE SIGNAL CONTROL UNIT. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.