As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 1004, DURING EMERGENCY LIGHTING SYSTEM OPS CHECK GOT CIDS 1 EPSU SYS TEST FAULTS ATA 335100 BAT/EPSU (13WL) AFT L AND ATA335100 BAT/EPSU (12WL) EXT R. TEST WAS PERFORMED PER AMDS 2561-4001-2L STEP 14. CORRECTIVE ACTION: RESET BATTERIES FOR EMERGENCY LIGHTS PER A321 AMM 33-51 OPS TEST GOOD. (LP 5275746)