As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LEFT HAND ENGINE EXHAUST GAS TEMPERATURE EICAS DISPLAY AND STANDBY INDICATOR WENT BLANK AND THEN STARTED TO FLUCTUATE. EMERGENCY DECLARED FLIGHT DIVERTED AND LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. RECONNECTED LOOSE CONNECTOR BACKSHELL D4208P. SYSTEM GROUND CHECKED NORMAL.