What was found
AIRCRAFT WAS IN BASE MAINTENANCE: FAULT EMERGENCY POWER SUPPLY UNIT 12WL IN PASSENGER CABIN. REPLACED EMERGENCY POWER SUPPLY UNIT 12WL IN PASSENGER CABIN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS IN BASE MAINTENANCE: FAULT EMERGENCY POWER SUPPLY UNIT 12WL IN PASSENGER CABIN. REPLACED EMERGENCY POWER SUPPLY UNIT 12WL IN PASSENGER CABIN.