What was found
SATCOM LOCKED UP ON PREFLIGHT. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM RESTORED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SATCOM LOCKED UP ON PREFLIGHT. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE PER QRH. SATCOM RESTORED NORMAL.