As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERY CAPACITY VIA MCDU FOR CABIN EMERGENCY LIGHTING FAILED. FOUND ESPSU BATTERY (14WL) DOOR 2 FAULTY. REMOVED AND REPLACED EPSU POWER SUPPLY DOOR 2 RH IAW AMM 33-51-38. OPS CHECK GOOD. REF NON-ROUTINE CARD 0164. WO NUMBER H1-23-05-00044/18415