As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT THE CARGO SMOKE LIGHT CAME ON FOR FIVE MINUTES THEN WENT OUT DURING APPROACH AT 8,000 FT. PERFORMED EMERGENCY CHECKLIST FOR CARGO SMOKE CONTROL AND EMERGENCY EVACUATION CHECKLIST. TESTED MAIN CARGO SMOKE DETECTION SYSTEM IAW AEI CARGO CONVERSION MANUAL CH 26. OPS CHECK OK OF SMOKE DETECTION SYSTEM.