What was found
FOUND NR 2 ENG FAULT MSG 77-20862 BOTTOM LT EGT SIGNAL OUT OF RANGE, LONG TIME FAULT. FOUND NR 2 ENG FAULT MSG 77-20872, TOP LT EGT SIGNAL IS OUT OF RANGE, LONG TIME FAULT. ACFT GROUNDED. CONFIRMED FAULT, NR 2 ENGINE BOTTOM LEFT EGT (T495 S3) AND TOP LT EGT, T495 S4, SHOW NO READING, DASHES, ON CDU PAGE. EEC BITE SHOWS MSG 77-20862 BOTTOM LT EGT SIGNAL OUT OF RANGE AND MSG NR 77-20872, TOP LT EGT SIGNAL OUT OF RANGE. FLIGHT FAULT REVIEW SHOWS FAULTS AT ALL 10 LEGS. FOUND DP1001 LOOSE, CLEANED DP1001 & SECURED CONNECTOR. ALSO, CLEANED BOTTOM LT AND TOP LT EGT PROBES REF AMM TASK 77-21-00-140-801 & SECURED TOP AND BOTTOM LT EGT PROBE CONNECTORS. ACCOMPLISHED FIM 77-21 TASK 803, CDU PAGE NOW SHOWS S2 AT 26.50 & S3 AT 26.80. ACCOMPLISHED FIM 77-21, TASK 804, CDU PAGE SHOWS S1 51.62 & S4 52.12. REACCOMPLISHED TC 78273000 AND GROUND FUNCTIONAL CHECKED NORMAL.