As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 2SC TEST, EMERGENCY LIGHT TEST ON TEST PANEL (PTP) 110RH, FOUND EPSU BATTERY AFT LT STATUS MESSAGE. PER TSM 33-51-00-810-802-A PERFORMED TEST OF THE EPSU IAW AMM 33-51-00-710-006-A. OPS CHECKED GOOD. PERFOMED EMERGENCY LIGHT TEST IAW AMM 33-51-00-710-001-A. OPS CHKD GOOD.