As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SMOKE ILLUMINATED BRIEFLY DURING CRUISE. THEN WENT OUT. NO REPORT OF SMOKE FROM F/A OF AFT LAVATORY. REMOVED FROM SERVICE.PERFORMED GVI OF AFT LAV NO DEFECTS NOTED. PERFORMED OPS TEST OF AFT LAVATORY SMOKE DETECTOR IAW AMM TASK 26-14-01-700-801-A OPS TEST GOOD. COULD NOT DUPLICATE. NO PARTS REPLACED. RETURNED TO SERVICE.