As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTING SEA WHEN V NAV WAS REQUESTED THE SINGLE ENGINE CLIMB PAGE WAS ENGAGED. SELECTED BOTH ENGINES PAGE AND DEPARTED NORMALLY. BITE CHECK OF FMC'S SHOWS NO FAULTS, HAS NO RELATED HISTORY. REQUEST FLIGHT CREWS MONITOR FMS IN V NAV MODE.