What was found
WHILE PERFORMING T/C 78273000, FOUND NR 2 ENGINE ECONOMIC FAULT MSG 77-20862. THE BOTTOM LT EGT SIGNAL, T495S3 IS OUT OF RANGE. ACFT GROUNDED. IAW TSR908147. ACCOMPLISHED T/C 78273000, FOUND MSG 77-20862 THE BOTTOM LT EGT SIGNAL, T495S3 IS OUT OF RANGE ON THE LAST 10 FLT LEGS ON NR 2 ENGINE ESN 894103. INPUT MONITORING PAGE HAS NO DATA FOR T495S3 SENSOR. PERFORMED FIM 77-21, TASK 803, HARNESS RESISTANCE READINGS ARE NORMAL. FOUND T495S3 AND T495S2 PROBES OUT OF TOLERANCE. R & R T495S3 AND T495S2 PROBES IAW AMM 77-21-01/401. ELECTRONIC ENGINE CONTROL BITE TESTED NORMAL WITHOUT FAULTS. NR 2 ENGINE IDLE RUN EGT INDICATIONS ARE NORMAL.