As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - LEFT ENGINE TORQUE INDICATION FLUCTUATION AND AIRCRAFT YAW TENDENCY REPORTED DURING CLIMB-OUT. CREW ACCOMPLISHED IN FLIGHT SHUTDOWN OF LEFT ENGINE AND RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE INSPECTED ENGINE AND INDICATING SYSTEM. DETERMINED PROBLEM TO BE CAUSED BY TORQUE INDICATION SYSTEM MALFUNCTION. REPLACED TORQUE SIGNAL CONDITIONER AND CLEANED TORQUE RING CANNON PLUG. ENGINE OPERATION NORMAL DURING GROUND RUN. (M)