What was found
CLT - AFT L EPSU BATTERY FAULT DURING EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED AFT L EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLT - AFT L EPSU BATTERY FAULT DURING EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED AFT L EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK.