As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ACFT BEING USED FOR MEDICAL EVACUATION PURPOSE. DURING FLIGHT PILOT NOTED NR 1 ENGINE TORQUE, FUEL FLOW AND NH FLUCTUATIONS. PILOT DECIDED TO CARRY OUT A FLIGHT DIVERSION AND COMPLETED UNEVENTFUL LANDING AT AIRPORT. THE FLUCTUATIONS WERE NOT REPRODUCIBLE DURING GROUND RUNS.