What was found
VTK FLAG FO SIDE, LOST RIGHT FMC LEFT MAP AND LEGS PGE WENT BLANK INTERMITTENTLY AND CPDLC KICKED OFF BOTH TIMES THE LEGS PAGE DROPPED. ABOUT 30 MINUTES OUT OF OGG, VTK WENT AWAY AND ALL NAVIGATION WAS RESTORED NORMAL. GROUNDED - YES. DIVERSION TIME 78 MINUTES - ACCOMPLISHED B737-800 FIM TASK 34-61 TASK 836, RESET LEFT AND RIGHT HAND FMC COMPUTER, OPS CHECK GOOD NO FAULTS NOTED.