As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO COMPLETE BATTERY CAPACITY TEST DUE TO GROUND TIME, ALL FOUR BATTERIES REQUIRE REPLACEMENT / REMOVED AND REPLACED FOUR EACH BATTERIES AT 10WL 11WL 12WL AND 13WL, OPS CHECK GOOD IAW AMM 33-51-38 PB401 AND AIRBUS IN SERVICE INFORMATION LETTER, ALTERNATE PROCEDURE TO EPSU BATTERY CAPCITY TEST VIA CIDS"