As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONCE IN FLIGHT, EMERGENCY EXIT LIGHTS AND AISLE PATH LIGHTING CAME ON IN FLIGHT WITH SWITCH IN ARMED POSITION. CYCLED AIRCRAFT POWER, TESTED OK. INSPECTED AND FOUND LOOSE CONNECTION ON THE AFT SWITCH, SECURED AND CLEANED CONNECTOR AND TESTED GOOD.