What was found
ON 10 MILE FINAL, HAD A SMOKE AFT LAVATORY WARNING. WE COMPLETED THE NON-NORMAL CHECKLIST & LANDED NORMALLY. THERE WAS NO EVIDENCE OF SMOKE OR FIRE. PULLED 7 CB'S AS DIRECTED BY THE CHECKLIST 1B8, 2D8, 2M9, 2M10, 2D5 & 2M5. R & R LAVATORY EXHAUST FAN IAW AMM 21-23-93. PERFORM OPERATIONS CHECK. OPERATIONS CHECKED NORMAL. OK FOR SERVICE. DURING OPERATIONS CHECK NO INDICATION OF SMOKE IN THE LAVATORY.