What was found
THE NR 3 ENGINE A-FIRELOOP WARNING LIGHT ILLUMINATED DURING CLIMBOUT. A FIRE TEST WAS PERFORMED PER CHECKLIST AND THE B-LOOP TESTED GOOD. THE A-SYSTEM HAD A HISTORY OF FIRE WARNINGS. THE FLIGHT WAS CONTINUED USING B-LOOP ONLY. THE AIRCRAFT LANDED AT EWR WITHOUT FURTHER WARNINGS. MAINTENANCE FOUND THE FORWARD FAN FIRE DETECTION LOOP PINCHED. THE FORWARD FAN FIRE DETECTION LOOPS A AND B WERE REMOVED AND REPLACED, OPERATIONAL CHECKS WERE GOOD.