What was found
THE CREW REPORTED NR 1 ENGINE FIRE DETECTOR FAIL MESSAGE IN FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE PYLON FIRE LOOP. OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE CREW REPORTED NR 1 ENGINE FIRE DETECTOR FAIL MESSAGE IN FLIGHT. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE PYLON FIRE LOOP. OPS CHECKED GOOD.