As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ECAM MSG APU AUTO SHUTDOWN DISPLAYED ON UPPER ECAM SCREEN, APU. APU AUTO SHUTDOWN ON TWO ATTEMPTED STARTS. PLACED ON MEL 49-10B. SHOWS IGNITION & FUEL CONTROL FAULT. TROUBLE SHOT APU TO PLUGS IAW THE MX MSG. R & R APU IGNITER PLUGS IAW AMM 49-41-41.