What was found
DURING CRUISE AT FL350, LEVEL 2 ENGINE 3 EGT HIGH. ENGINE NR 3 EXCEEDANCE LEVEL 1. THE EGT EXCEEDANCE 1000 DEGREE EGT FOR SERIES 30 QRH ENG EGT HI CHECKLIST WAS ACCOMPLISHED. ENGINE INDICATIONS WERE NORMAL AT MINIMUM THRUST. THE ENGIN EXCEEDANCE REMAINED DURING ENTIRE FLIGHT AND WAS ANNUNCIATED AGAIN ON LANDING. THE NR 3 ENGINE REMAINED AT IDLE DURING THE REST OF THE FLIGHT AND SHUTDOWN AFTER LANDING. R & R NR 3 ENGINE FWD EGT LEAD, AFT EGT LEAD, BOT RT THERMOCOUPLE AND UPPER RT THERMOCOUPLE IAW MM 77-21-02-2. ACCOMPLISHED ENGINE RUN AND EGT VERIFIED NORMAL IAW JRH CH'S 6 AND 7, EGT STEADY AND WITHIN PRESCRIBED PARAMETERS.