As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DEPARTURE HNL NR 1 MCDU MENU PAGE DID NOT DISPLAY "SAT" IT THEN APPEARED APPROXIMATELY ONE HOUR INTO FLIGHT. DURING THIS TIME SAT WAS DISPLAYED AS PER NORMAL ON THE NR 2 MCDU SUBSEQUENTLY SATCOM OPS APPEARED NORMAL. GROUNDED - YES. SAT COM NR 1 OPS CHECK NORMAL PER AMM 23-15-00.