As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT, THE PILOT REPORTED AN EEC FAULT. THE ENGINE WAS FLOWN IN MANUAL MODE AND SUBSEQUENT INTERMITTENT FIRE ALARMS OCCURRED. THE ACFT LANDED SAFELY. POST FLIGHT INSPECTION FOUND EVIDENCE OF BURNING ON THE ENGINE. THE ENGINE WILL BE REMOVED AND SEND IN FOR INVESTIGATION AND REPAIR. THIS EVENT WAS RECLASSIFIED FROM CAT 2 TO CAT 1.