As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. ECAM LAVATORY SMOKE WARNING INDICATED. CLEARED BY ITSELF AFTER 10 SECONDS. FLIGHT ATTENDANTS CHECKED LAVATORY D AND DID NOT FIND SMOKE. CLEANED LAVATORY D SMOKE DETECTOR. TROUBLESHOOT LAVATORY SMOKE WARNING DETECTOR, PER TSM 26-17-00-810-804-A.