What was found
FOUND MESSAGE 77-20862 FOR THE NR 2 ENGINE BOTTOM LEFT EGT SIGNAL T495S3 IS OUT OF RANGE, ECONOMIC FAULT. ACFT GROUNDED. ACCOMPLISHED FIM 77-21, TASK 803. PERFORMED INPUT MONITORING OF THE T49.5 SYSTEM OF THE NR 2 ENGINE. FOUND FAULT CODE 77-20862 ON EVERY LEG, THE BOTTOM LEFT EGT SIGNAL T495S3 IS OUT OF RANGE. INSPECTED AND FOUND PROBE S3 RESISTANCE READING ON THE HIGH END. R & R THE PROBE IAW AMM 77-21-01. PERFORMED A NR 2 ENGINE EEC TEST IAW AMM 71-00-00-800-811-F00. SYSTEM CHECKED NORMAL.