As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF AT 5000 MSL, EXPERIENCED AN UNCOMMANDED TORQUE INCREASE WITH AN EEC FAILURE LIGHT ON THE LEFT ENGINE. TORQUE VALUE WENT TO 130 PERCENT FOR APPROXIMATELY 5 SECONDS BEFORE WE COULD GET AIRCRAFT POWER LEVER RETRACTED AND THE EEC SWITCH OFF. RETURNED TO SLC. REPLACED LEFT HMU AND EEC.