What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE WARNING EN ROUTE WHICH CLEARED WITHIN 30-45 SECONDS, NO SMOKE, FUMES OR VAPES REPORTED BY FLIGHT ATTENDANTS AFTER INSPECTION OF LAVATORY. MAINTENANCE ACCOMPLISHED AN OPERATIONAL CHECK OF THE LAVATORY SMOKE DETECTION SYSTEM PER TASK 26-17-00-710-001-A, WITH NO FAULTS OR DEFECTS NOTED.