As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS MOMENTARILY CAME ON OVER ALL FOUR OVERWING EXITS RIGHT BEFORE TAKEOFF ROLL. LIGHTS WENT OUT ON THEIR OWN. EMER EXIT LIGHT SWITCH TESTED GOOD. F/A VERIFIED ONLY RT OVERWING EMERG AND SURROUNDING LIGHTS CAME ON. ACCESSSED M1695 AND VERIFIED SECURITY AND TESTING OF EMERGENCY LIGHTS. UNABLE TO DUPLICATE.