As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: SMOKE INDICATION DISAGREES WITH LAVATORY CONDITION. PASSENGER SMOKING POT IN LAVATORY 3F1R SMOKE PRESENT NO ALARM. ACCOMPLISHED LAVATORY SMOKE DETECTION - OPERATIONAL TEST. OPERATIONS CHECK GOOD, FOR LAVATORY 3F1R.