As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO SATCOM OPTION ON MCDU MENU PAGE ON CAPTAINS SIDE- ONLY SHOWS ON FO'S MCDU DID NOT RUN SATCOM LOCK UP QRH DUE TO WRONG CB LISTED IN QRH ( QRH SAYS D14; SHOULD SAY E13). GROUNDED - YES. PERFORMED BITE TEST OF THE SATCOM SYSTEM REF B737-9 AMM 23-15-00-740-801. SATCOM POWER UP AND IS PRESENT ON CDU OPS NORMAL.