As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UNABLE TO REDUCE POWER BELOW 85 PERCENT N1. ENGINE WAS SHUT DOWN BY USING 'T' HANDLE, WHILE ON APPROACH. TORQUE MANAGEMENT SYSTEM (TMS) ACTUATOR WAS FOUND STUCK IN THE FULLY EXTENDED POSITION. TMS ACTUATOR REPLACED, ENGINES WERE GOUND RUN SERVICEABLE AND THE AIRCRAFT RETURNED TO SERVICE. PART TC: 2,284.