What was found
(AIRCRAFT NOT GROUNDED) BATTERIES 10,11,12 AND 13WL FAILED EPSU BATTERY CAPACITANCE TEST. REQUIRES REPLACEMENT. / REMOVED AND REPLACED 10,11,12, AND 13-WL EPSU BATTERIES REF A320 AMM 33-51-38-000-002-A AND 33-51-38-400-002-A. OPS CHECK GOOD AT THIS TIME."