As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, AN AFT CARGO FIRE LIGHT ILLUMINATED WITH NO AURAL OR MASTER WARNING LIGHT. NO OTHER INDICATIONS. LIGHT WENT OUT AFTER ABOUT 3 MINUTES. NO WARNINGS OR LIGHTS DISPLAYED AT THIS TIME. FIRE DETECTOR SYSTEMS TESTED OK. NO HISTORY. CANNOT DUPLICATE THE PROBLEM. ACFT OK FOR SERVICE.