What was found
DURING A SYSTEM TEST ON EPSU 14WL FOUND "BATTERY FUALT" LED ILLUMINATING. REMOVED AND REPLACED BATTERY ON EPSU 13WL IAW A330 33-51-38-420-050-A REV 25, TEST GOOD
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING A SYSTEM TEST ON EPSU 14WL FOUND "BATTERY FUALT" LED ILLUMINATING. REMOVED AND REPLACED BATTERY ON EPSU 13WL IAW A330 33-51-38-420-050-A REV 25, TEST GOOD