What was found
THE CREW REPORTED A CARGO FIRE LIGHT IN FLIGHT. THE CREW DISCHARGED THE CARGO FIRE EXTINGUISHERS AND THE ACFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ACFT FOUND NO EVIDENCE OF FIRE AND R & R THE CARGO SMOKE TEST RELAY K0629, CARGO FAN RELAY K0630, BOTH THE FORWARD AND AFT CARGO SMOKE DETECTORS, CARGO FAN, AND BOTH CARGO BAY FIRE EXTINGUISHERS. OPS CHECK PERFORMED WITHOUT DEFECT, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.