As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BNA - FLT 4686 - PILOT RT ENGINE FAILED TO RESPOND TO POWER LEVER MOVEMENTS. RT ENGINE WAS SHUTDOWN, AC RETURNED TO BNA AND LANDED WITHOUT INCIDENT. FOUND TORQUE INDICATOR CIRCUIT BREAKER TRIPPED. RESET CIRCUIT BREAKER SYSTEM OPERATIONAL CHECKED NORMAL. REPLACED TORQUE SIGNAL CONDITIONER AS A PRECAUTION.