As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS CAME ON AT TAKEOFF WITH THE SWITCH IN THE "ARMED" POSITION. THE LEFT EMERGENCY BUSS WAS OPERATING NORMAL. T/S EMERGENCY EXIT LIGHT SYSTEM. REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY AND RELAY UNIT PER MM 33-50-01-2. SYSTEM OPS CKS GOOD ON GROUND.