What was found
ETOPS FLIGHT 442 HNL-OAK - DURING CLIMB, AFTER FLAPS WERE RETRACTED, THE CREW NOTED SPEED AND ALTITUDE ERRORS ON BOTH THE LEFT AND RIGHT FMC UNITS. CREW RETURNED TO HNL WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED FMC BITE CHECK PER FIM 34-61-00-810-801 AND RESET THE FMC, ADIRS AND SMYD CIRCUIT BREAKERS. AIRCRAFT WAS RETURNED TO SERVICE. A FLIGHT VERIFICATION OF THE FMC SYSTEM WAS CONDUCTED ON THE NEXT FLIGHT LEG.