As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAW - FLT 3867 - CARGO SMOKE LIGHT ILLUMINATED ON CENTRAL WARNING PANEL. VERIFIED AS FALSE WARNING. BOTH CARGO SMOKE DETECTORS OPERATIONALLY CHECKED GOOD. REMOVED AND REPLACED BOTH CARGO SMOKE DETECTORS AS A PRECAUTION. REF: OPERATOR CONTROL NR SIMA982893.