What was found
WHILE OPERATING , THE PILOT REPORTED THE NR 1 ENGINE FIRE WARNING LIGHT FLICKERING DURING FLIGHT. MAINTENANCE CLEANED THE WIRE CONNECTION POSTS ON ALL THE FIRE DETECTORS. GROUND OPS CHECKED. NO FAULTS WERE DETECTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE OPERATING , THE PILOT REPORTED THE NR 1 ENGINE FIRE WARNING LIGHT FLICKERING DURING FLIGHT. MAINTENANCE CLEANED THE WIRE CONNECTION POSTS ON ALL THE FIRE DETECTORS. GROUND OPS CHECKED. NO FAULTS WERE DETECTED.