As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE FIRE WARNING LIGHT ILLUMINATED AFTER TAKEOFF, THROTTLE RETARDED AND LIGHT EXTINGUISHED. CREW ELECTED TO RETURN TO ATL MAINTENANCE BASE. INSPECTED AIRCRAFT AND FOUND BLOWN DUCT. REPLACED NR 2 ENGINE NOSE COWL ANTI-ICE DUCT, RAN ENGINE AND NO LEAKS NOTED.