As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, THE CARGO FIRE LIGHT ON THE CENTRAL WARNING PANEL ILLUMINATED, AFTER SEVERAL CYCLES IT SELF EXTINGUISHED. MAINTENANCE REPLACED BOTH THE FORWARD AND AFT CARGO SMOKE DETECTORS. AFT DETECTOR S/N REMOVED WAS A3821 AND WAS ORIGINAL EQUIPMENT WITH 12106 HRS SINCE NEW.