What was found
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT TEST FAILED DURING PS CHECK. REMOVED AND REPLACED EPSU BATTERY 10WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT TEST FAILED DURING PS CHECK. REMOVED AND REPLACED EPSU BATTERY 10WL.