As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FROM STL-DAY - THE MAIN CARGO SMOKE DETECTOR LIGHT ILLUMINATED. COMPLIED WITH EMERGENCY CHECKLISTS. AIRCRAFT LANDED IN DAY WITHOUT INCIDENT. NO EVIDENCE FO FIRE NOTED. REPLACED NR 2, NR 4, AND NR 6 SMOKE DETECTORS PER MM 26-10-0. OPS CHECKS NORMAL. (M)