What was found
ALT/ROA - FLT 7273 - ON CLIMB-OUT THROUGH 9,000 FEET, CARGO SMOKE LIGHT CAME ON ONCE FOR ABOUT 2 SECONDS. CREW CONTACTED MTC CNTL AND WERE INSTRUCTED TO RETURN TO ATL. RECEIVED OTHER MOMENTARY WARNINGS DURING 10 MILE FINAL APPROACH. LANDING MADE SAFELY IN ATL WITHOUT FURTHER INCIDENT AND AIRCRAFT WAS TAXIED TO THE GATE. ATL MAINTENANCE REMOVED AND REPLACED BOTH CARGO COMPARTMENT SMOKE DETECTORS. OPERATIONAL TESTS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (X)