As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPS TEST OF THE EMERGENCY LIGHTS FAULT EPSU UNIT 11WL (REFER TO AMDS CARD 5210-7089-LF (RII)). REMOVED EMERGENCY POWER SUPPLY UNIT EPSU (11WL) UNSERVICEABLE CONDITION IAW AMM 33-51-38-000-001-A AND AS PER A320 FAM AMM33-51-38-400-001- A. TESTED GOOD.