What was found
3 SERVICE CABIN EMERGENCY LIGHTING CHECK GIVES THE MESSAGE EPSU INT LOAD EMERGENCY LIGHT. FOUND WEAK BATTERY. REPLACED AFT LT EMERGENCY LIGHT BATTERY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
3 SERVICE CABIN EMERGENCY LIGHTING CHECK GIVES THE MESSAGE EPSU INT LOAD EMERGENCY LIGHT. FOUND WEAK BATTERY. REPLACED AFT LT EMERGENCY LIGHT BATTERY.