What was found
EMERGENCY EXIT LIGHTS OPS CHECK GIVES FAULT 335100 BAT/EPSU (18WL) DOOR 4. MAINTENANCE REMOVED AND REPLACED EPSU 18WL BATTERY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY EXIT LIGHTS OPS CHECK GIVES FAULT 335100 BAT/EPSU (18WL) DOOR 4. MAINTENANCE REMOVED AND REPLACED EPSU 18WL BATTERY.