What was found
DURING CRUISE, NR 2 ENGINE FIRE WARNING CAME ON AT FL270 SAT -52. THE CREW SHUTDOWN THE NR 2 ENGINE, WHILE PASSING THROUGH 14,000 FT THE ACFT WAS EXPERIENCING SOME TURBULANCE AND NR 2 FIRE WARNING AND SHORT CIRCUIT LIGHTS ILLUMINATED. CREW DISCHARGED BOTH FIRE BOTTLES. WHILE PASSING THROUGH 10,000 FT FIRE WARNING LIGHT ILLUMINATED AND STAYED ON THE REMAINDER OF THE FLIGHT. THEY LANDED, WITHOUT FURTHER INCIDENT. MX REPLACED THE LT AND RT FAN FIRE LOOPS, LT AND RT CORE FIRE LOOPS, UPPER HOT SECTION FIRE LOOPS AND BOTH FIRE BOTTLES. OPS CHECK GOOD IAW MM 26-10-1, 26-20-1,ERH 70.01. ACFT WAS RETURNED TO SERVICE.