As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXIT LIGHT OVER MAIN ENTRY DOOR WAS SEEN TO FLICKER ON AND OFF WHILE DECENDING FOR APPROACH. F/O NOTED A WISP OF SMOKE COMING FROM LIGHT. AFTER UNEVENTFUL LANDING AND DEPLANEING OF PASSENGERS, INSPECTED LIGHT AND FOUND ALL BULBS WERE OUT.