As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE NR 1 ENGINE 'B' LOOP INDICATED FIRE AND FAULT, NACELLE TEMP FLUX OFF SCALE HIGH AND LOW. NR 1 ENGINE SHUT DOWN, FIRE BOTTLE 'A' DISCHARGED. REPLACED FIRE BOTTLE 'A' PER MM 26-21-03 PAGE 401. CONFIRMED FALSE FIRE WARNING 'B' LOOP. DEFERRED PER 26-1-C. REPAIRED WIRING ON 'A' LOOP SYSTEM. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURN TO SERVICE. (M)