What was found
AFTER POWER TRANSFER TO APU ON GROUND, NO SAT SELECTION AVAILABLE ON MCDU MENU. ACFT GROUNDED. QRH PROCEDURE FOLLOWED AND SAT 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, NO SAT SELECTION AVAILABLE ON MCDU MENU. ACFT GROUNDED. QRH PROCEDURE FOLLOWED AND SAT SELECTION RESTORED.