What was found
DURING INITIAL CLIMB-OUT, FLIGHT CREW EXPERIENCED A DUAL FLIGHT MANAGEMENT COMPUTER FAILURE. PIC ELECTED TO DIVERT TO POINT OF DEPARTURE. AIRCRAFT RETURNED TO AIRPORT OF DEPARTURE AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL WERE UNABLE TO DUPLICATE ANY FAULT WITH EITHER FLIGHT MANAGEMENT COMPUTER. PERFORM ALL RETURN TO SERVICE TESTS WITH NO FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE. (M)