As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4935 - JFK - CREW REPORTS, AFT CARGO SMOKE CWP CAPTION ILLUMINATED, THEN WENT OUT AND CAME BACK ON. CREW FIRE ONE EXTINGUISHER AND RTG. DECLARED EMERGENCY, CFR FOUND NO SMOKE OR FIRE INDICATIONS. LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED WARNING ELECTRONIC UNIT. INSPECTED THE SMOKE DETECTOR AND WIRING. (M)