As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, ECAM WARNING FOR LAVATORY SMOKE LAV-D SOUNDED. WARNING LASTED A SECOND OR TWO, WENT OFF, AND THEN ANOTHER WARNING FOR A SECOND OR TWO . FLIGHT ATTENDANTS CHECKED LAVATORY D, NO SMOKE OR ANY INDICATION OF FIRE WAS FOUND. NO WARNINGS DURING LAST HOUR AND A HALF OF FLIGHT. MAINTENANCE ACCOMPLISHED AN OPS CHECK OF LAVATORY D SMOKE DETECTION SYSTEM. SYSTEM TESTED SATISFACTORY IAW AMM 26-17-00. NO FAULT NOTED. AIRCRAFT WAS GROUNDED.