What was found
DURING ENGINE START, NR 1 ENGINE WENT TO RED LINE AT 715 DEGREES FOR 5 SECONDS ON RESTART. ENGINE STARTED TO STABLIZE & THEN RACED TO RED LINE, SHUTDOWN ENGINE. CHECKED, NO DEFECTS NOTED. STARTED ENGINE FOR FOURTH TIME & ALLOWED ENGINE TO STABILIZE. ENGINE STABILIZED AT 660 DEGREES & DID NOT RISE OR RETREAT IAW JRH 2-40-52. REPLACED MR 73252 EIU, OPS TESTED GOOD IAW JRH 2-40-52. TEMPS NORMAL AT START 551.