As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#523, JFK-LAX. (ETOPS) "APU AUTO SHUTDOWN ( APU SYSTEM A321NEO ETOPS ); REMOVED AND REPLACED FCU IAW AMM 49-41-00. PERFORMED OPS TEST OF APU PER 24-41-00 OF THE AMM. TEST NORMAL. NO LEAKS NOTED. MDDR CLEARED. MX-4 UPDATED. PLACARD REMOVED. MCC NOTIFIED.'