What was found
(CAN) ON 05-JUN-2019 THE AIRCRAFT PERFORMED AN AIR-RETURN TO THE AIRPORT OF ORIGIN AFTER RECEIVING A POWER PLANT MESSAGE DURING CRUISE. THE AIRCRAFT LANDED WITHOUT ANY FURTHER INCIDENT. THE MAINTENANCE CREW CARRIED OUT TROUBLESHOOTING AND REPLACED THE FADEC UNIT IAW AMM 73-21-01. ENGINE RUNS WERE SUBSEQUENTLY CARRIED OUT AND NO ERROR MESSAGES WERE RECEIVED. THE AIRCRAFT RETURNED TO SERVICE WITHOUT ANY FURTHER INCIDENT. (TC# 20190610019)