What was found
ON FINAL APPROACH, F/A CALLED AND ADVISED UD THERE WAS SMOKE IN THE CABIN. TOLD HER TO PREPARE FOR AN EVAC. ONCE WE STOPPED ACFT ON GROUND, SMOKE DISSAPATED. SMOKE COMING FROM SEAT 9A. R & R LIGHT ASSY AT SEAT 9A IAW/JIC 33-25-21 RAI 10000 OPTS CHECK GOOD.