What was found
AT CRUISE FLT 370, WE RECEIVED A LAVATORY SMOKE EICAS MSG. AOM PROCEDURES FOLLOWED CB'S E11 & E12 PULLED. SMOKE MSG WENT AWAY, WE CONTINUED TO MONITOR LAVATORY. INSPECTED LAVATORY FOR EVIDENCE OF SMOKE OR DAMAGE, NO DEFECTS NOTED. DEFERRED IAW MEL 26-2. PERFORMED OPERATIONS CHECK OF LAVATORY SMOKE DETECTOR IAW AMM 26-14-00, NO DEFECTS OR FAULTS NOTED. OPERATIONS CHECKED GOOD.