As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSY - FLIGHT 972 ENROUTE MSY-PHL, AFTER TAKEOFF, A FORWARD CARGO SMOKE WARNING CAME ON INTERMITTENTLY. FLIGHT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED AN OPERATIONAL TEST. THE SYSTEM OPERATIONALLY CHECKED OK.