What was found
AIRCRAFT WAS NOT GROUNDED: CIDS TEST SHOWS EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAULT. REPLACED EMERGENCY POWER SUPPLY UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: CIDS TEST SHOWS EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAULT. REPLACED EMERGENCY POWER SUPPLY UNIT.