What was found
REF TASK CARD 78273000, FOUND FAULT ON NR 2 ENGINE, FAULT CODE NR 77-10842, EGT SIGNAL. T459551 IS OUT OF RANGE", ECONOMIC FAULT ON THE 2 LEG. ACFT GROUNDED. ACCOMPLISHED T/C 78273000, WITH NO FAULTS IN CURRENT STATUS OR FAULT HISTORY. ALL OPS NORMAL.