As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH/TOL - FLT 725 - DURING DESCENT INTO TOL, MAIN CARGO CABIN SMOKE DETECTOR LIGHT CAME ON. CHECKED CABIN, NO SMOKE NOTED. MAINTENANCE CHECKED SYSTEM, NO DEFECTS NOTED. SYSTEM OPERATIONALLY CHECKED NORMAL. AIRCRAFT RELEASED FOR FLIGHT. (X)