What was found
FLT 350 - LAS - EEL - LEFT OVERWING CABIN EMERGENCY POWER SUPPLY WILL NOT TEST OR POWER LIGHTS. MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY UNIT 11WL AND BATTERY PER AIRBUS MAINTENANCE MANUAL 33-51-38.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 350 - LAS - EEL - LEFT OVERWING CABIN EMERGENCY POWER SUPPLY WILL NOT TEST OR POWER LIGHTS. MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY UNIT 11WL AND BATTERY PER AIRBUS MAINTENANCE MANUAL 33-51-38.