What was found
LEFT EMERGENCY UNIT MESSAGE SHOWN DURING EMERGENCY LIGHTS TEST. REPLACED EMERGENCY POWER SUPPLY UNIT AND THE BATTERY PACK . TEST OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT EMERGENCY UNIT MESSAGE SHOWN DURING EMERGENCY LIGHTS TEST. REPLACED EMERGENCY POWER SUPPLY UNIT AND THE BATTERY PACK . TEST OK.