What was found
RECEIVED SMOKE IN TOILET CAUTION AFTER TAKEOFF. DECLARED EMER & COMPLIED WITH QRH. PULLED CB P2, C5, D14, D15, S2 & U2. RETURNED & DID NOT LAND OVERWEIGHT. INSPECTED LAVATORY, NO DEFECTS NOTED. NO SIGNS OF SMOKE OR FIRE FOUND. R & R LAVATORY SMOKE DETECTOR IAW AMM 26-16-01. OPERATIONS CHECKED GOOD. SN OFF 09140, ON ADN2617.