As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BELL HAS RECEIVED A REPORT FROM OUR CSE OF A PRIMARY TORQUE SOURCE FAILURE. EXTENSIVE TROUBLESHOOTING WITH THE ONSITE CSE HAS LED TO THE ROOT CAUSE BEING THE ENGINE SIGNAL CONDITIONER THAT CONVERTS ANALOG DATA SIGNALS TO DIGITAL TO BE ABLE TO BE SEEN BY THE DISPLAYS.