What was found
THE CREW REPORTED A LAV FIRE DETECTION INDICATION IN FLIGHT. ACFT RETURNED TO DEPARTURE WHERE IT LANDED WITHOUT INCIDENT. MX INSPECTED THE ACFT AND PLACED THE LAV SMOKE DETECTOR ON MEL, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE. THE ACFT LANDED WHERE MX REMOVED AND REPLACED THE NR 2 ENGINE, OPS TESTED WITH NO DEFECTS, REMOVED THE MEL, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.