What was found
SATCOM LOCKUP AFTER POWER SHIFT FROM GROUND POWER TO APU POWER. ACFT GROUNDED. ACCOMPLISHED A RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SATCOM LOCKUP AFTER POWER SHIFT FROM GROUND POWER TO APU POWER. ACFT GROUNDED. ACCOMPLISHED A RESET PROCEDURE IAW QRH. SATCOM OPS RESTORED NORMAL.