What was found
GSO - FLT NR 3484 - THE CREW REPORTED WHILE IN CLIMB, THE OIL AND ITT TEMPERATURES BEGAN TO RISE, POWER WAS REDUCED FOLLOWED BY THE NR 1 ENGINE FIRE WARNING. THE NR 1 ENGINE WAS SHUT DOWN AND THE NR 1 FIRE AGENT WAS USED, FIRE WARNING STOPPED WITHIN 30 SECONDS. AIRCRAFT RETURNED TO GSO. MX INSPECTED AIRCRAFT AND REMOVED AND REPLACED THE NR 1 ENGINE IAW ATR 42 MM 72-00-00. ALL OPERATIONAL AND LEAKS CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)