As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"L ENG CONT" AND "L ENG SEC CONT" STATUS MESSAGE APPEARED ON CLIMB-OUT THROUGH APPROX 17000. REPLACED EEC AND FAULTY EEC WAS SENT TO OEM FOR ANALYSIS. THE ROOT CAUSE COULD BE THE INTERANL ELECTRONIC COMPONENT THAT MAY BE SENSITIVE TO ALTITUDE AND OR TEMPERATURE CHANGES.