As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5047 FROM CLT TO TLH, AFTER ONE HOUR IN FLIGHT THE NUMBER ONE TORQUE STARTED TO SURGE. PILOT CUT-OFF THE ECU AND SURGE WENT AWAY. AIRCRAFT LANDED IN TLH WITH NO OTHER PROBLEMS. NO EMERGENCY WAS DECLARED. ECU WAS DEFERRED TO MSL. AIRCRAFT RETURNED TO CLT. MAINTENANCE REMOVED AND REPLACED THE ECU SYSTEM, OPS CHECKED GOOD. AIRCRAFT WAS RETURNED TO SERVICE.