What was found
JFK - FLT 5121 - AVIONICS SMOKE DETECTOR GAVE SMOKE INDICATION IN FIGHT. AIRCRAFT TURNED BACK TO FIELD. REMOVED AND REPLACED AVIONICS SMOKE DETECTOR DUE TO FALSE INDICATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
JFK - FLT 5121 - AVIONICS SMOKE DETECTOR GAVE SMOKE INDICATION IN FIGHT. AIRCRAFT TURNED BACK TO FIELD. REMOVED AND REPLACED AVIONICS SMOKE DETECTOR DUE TO FALSE INDICATION. (M)