As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATCOM INOPERATIVE. NO SAT OPTION APPEARS ON FMC MENU PAGE. RESET POWER TO SATCOM BY PULLING & RESETTING SATCOM CIRCUIT BREAKER ON P18-2 PANEL. SAT OPTION RE-APPEARED ON FMC MENU AND SUCCESSFULLY CONTACTED DISPATCH ON BOTH SATCOM-1 & SATCOM-2, OPS NORMAL REF AMM 23-15-00. SATCOM SYS GROUND VERIFICATION SUCCESSFUL.