As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3324 FAULT EPSU-EMERGENCY POWER SUPPLY UNIT 13WL IN PASSENGER CABIN. CORRECTIVE ACTION: REPLACED EMERGENCY POWER SUPPLY UNIT EPSU 13WL ON PASSENGER CABIN ASPER A330 AMM-33-51. PERFORMED OPERATIONALCHECK OF EMERGENCY POWER SUPPLY UNIT. (2202631)