As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SERVICE CHECK. FOUND EPSU (11WL) EXT L AND BATT/EPSU ( 12WL) EXT R CLASS 1 FAULTS. REMOVED AND REPLACED EPSU (11WL) AND BATTERY PER A321 AMM 33-51. REMOVED AND REPLACED EPSU BATTERY (12WL) PER A321 AMM 33-51. OPS GOOD. POWER SUPPLY, E OFF 34-3351-9-0001 59416 ON 33-3351-9-0002 52333. (LP# 9345292)