What was found
AIRCRAFT WAS NOT GROUNDED: EPSU 11WL WON'T TEST. REMOVED AND REPLACED EPSU BATTERY 11WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: EPSU 11WL WON'T TEST. REMOVED AND REPLACED EPSU BATTERY 11WL.