What was found
REJECT TAKEOFF, RNWY 36L AT APROX 60 KTS FOR NR 2 ENG EXCEEDANCE WITH EGT 1055. ACARS DATA SHOWS JUST AFTER REACHING TAKEOFF POWER A SUDDEN EGT INCREASE AT A RATE OF 150 DEG C PER SECOND WITH OTHER ENGINE PARAMETERS STEADY. PERFORMED #2 ENG EGT THERMOCOUPLE AND HARNESS CHECK IAW MM 77-21-01-2 AND 77-21-02-2. FOUND UPPER RIGHT SEGMENT AND AFT HARNESS OUT OF LIMITS. R & R AFT LEAD AND UPPER RT SEGMENT IAW MM 77-21-01-2, RAN NR 2 ENGINE IAW JRH , ALL INDICATIONS WITH IN LIMITS. DURING PREVIOUS UPDATE ALSO FOUND UPPER FWD LEAD CONNECTOR LOOSE AT J BOX, SECURED ALL CONNECTORS BEFORE ENGINE RUN. OPS CHECKED GOOD.