As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH NO SMOKING SWITCH IN THE ON POSITION, EMERGENGY EXIT SIGNS WERE ILLUMINATED DURING TAXI & FOR THE FIRST 30 MIN OF FLIGHT. FLIGHT ATTENDANT CALLED TO REPORT THAT ALL EMERGENCY EXIT SIGNS EXTINGUISHED AT SAME TIME WITH NO CHANGE IN COCKPIT SWITCH POSITION.