As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 3754 - CARGO SMOKE LIGHT CAME ON IN FLIGHT. CREW DISCHARGED NR 1 CARGO EXIT SWITCH AND THE CARGO SMOKE LIGHT WENT OFF AFTER APROX 8 MINUTES. DFW, MAINTENANCE RAI BOTH CARGO SMOKE DETECTORS AND THE RT CARGO C02 BOTTLE. NO EVIDENCE OF SMOKE OR FIRE REPORTED FROM MTX. A/C WAS RETURNED TO SERVICE. (M)