What was found
ORF - FLT 1041 - JUST AFTER TAKEOFF FROM ORF, CREW RECEIVED A NR 2 ENGINE FIRE WARNING INDICATION. EPR ON NR 2 ENGINE DROPPED FROM TAKEOFF TO 1.5 EPR. CAPTAIN PULLED NR 2 THROTTLE BACK TO IDLE AND THE FIRE WARNING INDICATION EXTINGUISHED. FLIGHT RETURNED TO ORF AND LANDED WITHOUT FURTHER INCIDENT. THE CREW DID NOT ACTIVATE THE NR 2 ENGINE FIRE BOTTLE. MAINTENANCE FOUND A 12TH STAGE BLEED AIR DUCT FAILED ON THE NR 2 ENGINE. THEY REPLACED THE 12TH STAGE AIR OFFTAKE CARRIER ASSEMBLY AND CLAMPS. (M)