As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SMOKE DETECTOR ACTIVATED ON SHORT FINAL APPROACH. LANDING UNEVENTFUL. PERFORMED LAV SMOKE DETECTOR OPS TEST. TR 26-056, SUBTASK 26-12-11-710-007, NO FAULTS FOUND. INSPECTED TRASH CONTAINER -AND ASH TRAY, NO SIGN'S OF BURNING MATERIAL OR TRASH. NO SMOKE ODOR. RETURNED TO SERVICE.