What was found
AFTER POWER TRANSFER TO APU ON GROUND. SATCOM LOCKED UP. ACFT GROUNDED. COMPLIED WITH QRH PROCEDURE AND SATCOM SELECTION RESTORED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER POWER TRANSFER TO APU ON GROUND. SATCOM LOCKED UP. ACFT GROUNDED. COMPLIED WITH QRH PROCEDURE AND SATCOM SELECTION RESTORED.