What was found
DURING CLIMB-OUT, LOSS OF NR 1 ENGINE AND LOUD BANG. ENGINE ITT WAS IN THE RED FOR ABOUT 15-20 SECONDS WITH NEEDLE FLUTTERING AT THE BOTTOM OF THE GAUGE. N1 AND N2 SPOOLED DOWN DURING THE FAILURE. CREW WAS NOT ABLE TO IDENTIFY ANY MESSAGES. AFTER ENGINE RESTARTED, ALL INDICATIONS NORMAL UNTIL LANDING. EMERGENCY TRUCKS REPORTED FLAMES FROM THE NR 1 ENGINE ON SHORT FINAL. FLIGHT 5669. REMOVED AND REPLACED LEFT ENGINE ASSEMBLY IN REF TO THE AMM AND TASK CARD. OPS AND LEAK CHECK GOOD AT THIS TIME.