As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV SMOKE WARNING WITH FWD LAV DETECTOR ALERTING. LASTED ABOUT 15 SECONDS. NO SMOKE/FUMES PRESENT. REMOVED FROM SERVICE. INSPECTED FWD LAVATORY WASTE COMPARTMENT. NO SIGNS OF BURNT MATERIAL. PERFORMED TEST OF FWD LAV SMOKE DETECTOR IAW AMM 26-14-01-700-801-A. OPS TEST GOOD. NO HISTORY OF SMOKE WARNINGS. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.