What was found
ENG 2 EGT HI" LEVEL ONE ALERT DURING DESCENT. EGT WAS 1092 IN RED.MOVED THROTTLE TO IDLE, APPROX 20 SECONDS LATER ALERT CHANGED TO LEVEL 1 "ENG 2 EXCEEDAMCE", TEMP INDICATION DECREASED TO AROUND 900. APPROX 10 SECONDS LATER TEMP INCREASED ABOVE RED LINE WITTH LEVEL 2 ALERT AGAIN. ENGINE SHUT DOWN IAW CHECKLIST. REMOVED NR 2 ENGINE EGT LEADS AND EGT HARNESSES AND BEGAN INSTALLATION. REF. MD10 AMM 77-21-01-2, 77-21-02-2. REQUIRES OPS CK. PERFORMED NR 2 ENG HIGH POWER RUN. EGT PARAMETERS REMAINED NORMAL, NO FLUCTUATIONS OR DEFECTS NOTED. REMOVED AND REPLACED NR 1 AND NR 3 AIU'S.