What was found
SATCOM LOCKUP DURING PREFLIGHT. ACFT GROUNDED. RESET SATCOM IAW QRH PROCEDURE OPS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SATCOM LOCKUP DURING PREFLIGHT. ACFT GROUNDED. RESET SATCOM IAW QRH PROCEDURE OPS NORMAL.