As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - APU AUTO SHUTDOWN ECAM AFTER WE LANDED WHEN WE TRIED TO START THE APU. FAULTING IGNITION EXCITER (8030KM). REMOVED AND REPLACED IGNITION UNIT PER AMM 49-41-38 AND IGNITER PLUG PER 49-41-41. SECURITY & OPS CHECK GOOD. OK FOR SVC.