What was found
IN ETOPS AIRSPACE WE GOT A SINGLE FMC OPS MESSAGE AND A MAP LIGHT ON THE FO'S INSTRUMENTATION. THE FMC FAIL QRH PROCEDURE WAS RAN REGAINING DUAL FMC OPERATIONS. FLIGHT CONTINUED TO DESTINATION. GROUNDED - YES. REF FIM 34-61 TASK 801 PERFORMED FMCS BITE FOUND FMC-L + FMC-R FAULT FOR PREVIOUS FLIGHT LEG. REF FIM 34-61 TASK 807, DURRING INITIAL EVALUATION PERFORMED TEST OF FMC-L + R BY OPENING + RESETTING FMCS CMPTR 1 + CMPTR 2 CB'S, TEST PASSED, RESET SUCCESFUL, NO FMC FAIL OR MAP FAIL INDICATIONS PRESENT AT THIS TIME. PER FIM THIS WAS AN INTERMITTENT FAULT. OK FOR CONTINUED SERVICE.