What was found
AIRCRAFT AIR-RETURNED TO CLE, EMERGENCY DECLARED, THE LEFT ENGINE FAILED IN FLIGHT, ITT SPIKED AT 1100 DEG C, WITH A LOUD BANG. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE, OPS AND LEAK CHECKED GOOD IAW EMB135-MM-71-00-00 AND TASK CARD 6271001. AIRCRAFT RELEASED TO SERVICE.