What was found
AIRCRAFT IN BASE VISIT: EPSU (11WL) EXT L FAULT MESSAGE DURING EMERGENCY BATTERY TEST. REMOVED AND REPLACED BATTERY 11WL IAW AMM 33-51-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE VISIT: EPSU (11WL) EXT L FAULT MESSAGE DURING EMERGENCY BATTERY TEST. REMOVED AND REPLACED BATTERY 11WL IAW AMM 33-51-00.