What was found
CLE - FLT 4019 - CREW REPORTED THAT DURING CRUISE THE LEFT ENGINE OIL TEMPERATURE PEGGED OUT (135 DEGREES CELSIUS) AND WOULD NOT DECREASE WITH A THRUST DECREASE, A PRECAUTIONARY ENGINE SHUT DOWN WAS PERFORMED. AIRCRAFT RETURNED TO FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND A FAULTY CONNECTOR IN THE INDICATION SYSTEM. THE CONNECTOR WAS REMOVED AND REPLACED REFERENCES EMB-145 MM 79-30-50. (M)