What was found
PERFORMED T/C 78273000, NR 2 ENGINE HAS LONG TIME FAULT 75-10832, THE T3 SIGNAL IS OUT OF RANGE. ACFT GROUNDED. VERIFIED DEFECT, FAULT LOGGED IN RECENT AND FAULT HISTORY LEGS 0 THRU 10. FOUND THE T3 SENSOR VALUES HIGHER THAN NR 1 ENGINE. WHILE REMOVING T3 SENSOR CONNECTORS FOUND EVIDENCE OF CORROSION IAW WDM 75-31-21. CLEANED THE CONNECTORS DP1005 AND DP0905 AT T3 SENSOR AND DP0909 AND DP1010 AT THE EEC. RAN THE NR 2 ENGINE, NO FAULTS LOGGED IN FLIGHT LEG 0. EEC TEST PASSED IAW AMM 73-21-00.