What was found
DFW - FLT T1056 - DURING CRUISE, NR 2 ENGINE FIRE WARNING LIGHT ILLUMINATED. CREW ACCOMPLISHED THE FIRE DETECTOR LOOP LIGHT WITHOUT FIRE WARNING CHECK LIST. SECURED NR 2 ENGINE AND DISCHARGED FIRE BOTTLE. ENGINE SHUTDOWN WAS NORMAL, AND FIRE WARNING LIGHT EXTINGUISHED AFTER 2 MINUTES. AIRCRAFT LANDED DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND NR 2 ENGINE A/B FIRE LOOP WOULD NOT TEST. REPLACED NR 2 A/B FIRE LOOP, FIRE BOTTLE EXTINGUISHER, AND ENGINE OIL FILTERS. RAN NR 2 ENGINE AT POWER WITH NO LEAKS. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)