As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON ARRIVAL AT THE GATE, LT ENG WOULD NOT SHUTDOWN WITH THRUST LEVER. ENGINE SHUTDOWN ONLY AFTER SELECTING THE LT ENG FIRE SWITCH. INSPECTED LT ENG, FOUND BAD THROTTLE GEAR BOX AND BROKEN THROTTLE CABLE. LT ENG THROTTLE CABLE FROM GEAR BOX TO PYLON CONNECTOR FOUND BROKEN. LT ENGINE THROTTLE GEAR BOX IS VERY STIFF AND FEELS LIKE GRINDING AT TOP END OF TRAVEL. R & R GEARBOX AND THE THROTTLE CABLE.