As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - WHEN STARTING APU AFTER LANDING,ECAM FUEL-APU AFT PUMP FAULT WITH BUZZING SOUND BY THE MASTER SWITCH. ECAM CLEARED ITSELF. NORMAL OPS. REMOVED AND REPLACED APU AFT PUMP PER AMM 28-22-52. OPS CHECK GOOD, OK FOR SERVICE. NO FAULTS NOTED