What was found
FLIGHT 6221, CHA TO CVG - JUST OUTSIDE THE OUTER MARKER THE FLIGHT CREW SMELLED SMOKE AND BEGAN RUNNING THROUGH THE QRH CHECKLISTS. ONCE CLEARED TO LAND A LAV SMOKE EICAS MESSAGE WAS DISPLAYED. AT THE SAME TIME THE NUMBER 1 ENGINE WAS TEMPING OUT. THE THRUST WAS REDUCED TO 50 PERCENT TO LOWER THE TEMP. THE ENGINE TEMPERATURE REMAINED IN THE RED AND THE THROTTLE WAS REDUCED TO IDLE. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND IT WAS DECIDED TO REPLACE THE NUMBER 1 ENGINE. AFTER REPLACING THE NUMBER 1 ENGINE, THERE WERE NO FURTHER DEFECTS NOTED.