What was found
SATCOM LOCKED UP ON GROUND DURING POWER TRANSFER FROM GROUND POWER TO APU "SAT" PROMPT DISAPPEARED ON MCDU. ACFT GROUNDED. QRH COMPLIED WITH, NORMAL OPS RESTORED AFTR CIRCUIT BREAKER RESET.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SATCOM LOCKED UP ON GROUND DURING POWER TRANSFER FROM GROUND POWER TO APU "SAT" PROMPT DISAPPEARED ON MCDU. ACFT GROUNDED. QRH COMPLIED WITH, NORMAL OPS RESTORED AFTR CIRCUIT BREAKER RESET.