As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAT PHONE 1 & 2 IN COCKPIT INOP. SAT-PHONE PAGE 1 ON CAPT'S SIDE DISPLAYS "- NO NUMBER" IN FMC CDU SCRATCH PAD. AOC DIR DETAILS PAGE 1 ON FO'S SIDE FMC CDU SCRATCHPAD DISPLAYS "SATCOM VOICE UNAVAILABLE". GROUNDED - YES. REBOOTED SYS - OPS OK.