What was found
FLT 724 FROM TOL TO EWR ON TAKE OFF ROLL THE NR 3 ENGINE EGT INDICATOR WENT TO ZERO AND BECAME INTERMITTENT. AIRCRAFT ABORTED TAKE OFF AND RETURNED TO THE BLOCKS. POST FLIGHT INSPECTION WAS PERFORMED, CLEANED CONNECTORS AT JUNCTION BOX, CLEANED AND TIGHTENED EGT CONNECTION ON THE ENGINE, INSPECTED NR 3 EGT WIRING ON THE ENGINE, CLEANED AND RE-SECURED THERMOCOUPLE LEADS, OPS CHECK NORMAL. NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.