What was found
EMERGENCY LIGHTS COME ON WHEN AIRCRAFT POWER IS TURNED OFF, WITH LIGHT SWITCH DISARMED OR OFF. REPLACED EMERGENCY BATTERY POWER SUPPLY IAW DC9 MM 33-50-0.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY LIGHTS COME ON WHEN AIRCRAFT POWER IS TURNED OFF, WITH LIGHT SWITCH DISARMED OR OFF. REPLACED EMERGENCY BATTERY POWER SUPPLY IAW DC9 MM 33-50-0.