What was found
MIA INFLIGHT - CREW REPORTED NR 2 ENGINE GAS TEMPERATURE FLUCTUATION. LOST NR 2 ENGINE GAS TEMPERATURE INDICATION ON BOTH EICAS STANDBY ENGINE INDICATORS. NR 2 ENGINE GAS TEMPERATURE INDICATIONS WENT TO NORMAL IN DESCENT AND THROUGH LANDING. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. FOUND CONNECTOR ON ENGINE GAS TEMPERATURE JUNCTION BO ON NR 2 ENGINE LOOSE. SECURED CONNECTOR ON NR 2 ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION.