As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE NR 1 SMOKE DETECTOR LIGHT ILLUMINATED AND FIRE BELL ACTIVATED. VISUALLY CONFIRMED NO CARGO SMOKE OR FIRE. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED A8 SMOKE DETECTOR CARD AND ''A'' AND ''B'' SMOKE DETECTORS. OPERATIONAL CHECK GOOD.