What was found
IN CRUISE FLIGHT THE NR 1 ENGINE FIRE LIGHT ILLUMINATED AND THE FIRE HORN SOUNDED. NO OTHER INDICATIONS NOTED. REPLACED LT FLAME DETECTOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IN CRUISE FLIGHT THE NR 1 ENGINE FIRE LIGHT ILLUMINATED AND THE FIRE HORN SOUNDED. NO OTHER INDICATIONS NOTED. REPLACED LT FLAME DETECTOR.