As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUXILIARY POWER UNIT SHUTDOWN ON PUSHBACK. AUXILIARY POWER UNIT FAULT MAINTENANCE MESSAGE. RESTART GOOD. ACCOMPLISHED SEVERAL SUCCESSFUL AUXILIARY POWER UNIT STARTS. RAN PACKS & STARTED ENGINES. NO AUXILIARY FAULTS OR SHUTDOWNS. REPLACED AUXILIARY POWER UNIT STARTER FOR SLOW ACCELERATION DURING AUXILIARY POWER UNIT START IAW MM.