As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: DURING CRUISE FLIGHT ECAM SMOKE LAVATORY SMOKE MESSAGE DISPLAYED FOR 5 SECONDS AND WENT OFF. NO SMOKE FOUND IN ANY LAVATORY. ***SUPPLEMENTAL TO UPDATE SECTION 4 AND SECTION 5. MAINTENANCE ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK OF SMOKE DETECTION SYSTEM PER AMM 26-17-00.*** (CLOSED)