What was found
NO SAT PROMPT AFTER APU ON BUS ON GROUND. ACFT GROUNDED. QRH PROCEDURES SUCCESSFUL ON GROUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NO SAT PROMPT AFTER APU ON BUS ON GROUND. ACFT GROUNDED. QRH PROCEDURES SUCCESSFUL ON GROUND.