What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 10WL INOPERATIVE. REPLACED EPSU 10WL WITH SERVICEABLE UNIT IAW A321 AMM 33-51-38, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY POWER SUPPLY UNIT 10WL INOPERATIVE. REPLACED EPSU 10WL WITH SERVICEABLE UNIT IAW A321 AMM 33-51-38, OPS CHECK GOOD.