As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 3564 - CARGO SMOKE WARNING CAME ON INTERMITTENTLY IN-FLIGHT AND WOULD EXTINGUISH WITHIN 3 SECONDS. REPLACED AFT AND FORWARD CARGO SMOKE DETECTORS, OPS CHECK SATISFACTORY. AIRCRAFT WAS RETURNED TO SERVICE. REFERENCE: OPERATOR CONTROL NR 96ZZZX4772. (X)