What was found
BOTH FMCS FAILED AFTER TAKEOFF. VTK DISPLAYED ON BOTH SIDES. RESTORED AFTER ABOUT 30 SECONDS. ALSO THE INITIAL POINT ON THE LEGS PAGE WAS REPLACED BY A DICO ON LIFTOFF. MAY HAVE BEEN THE FMCS STARTING TO FAIL. FMCS BITE SHOWS NR 1 AND 2 FMC FAIL REMOVED AND REPLACED NR 1 FMC COMPUTER REF MM 34-61-02-400-801. ALL REQUIRED SOFTWARE LOADED. FMCS OPS TEST GOOD. GROUND VERIFICATION GOOD. REPLACED NR 2 FMC COMPUTER REF. MM 34-61-02-400-801. LOADED ALL REQUIRED SOFTWARE. FMCS OPS TEST OK. GROUND VERIFICATION GOOD.