As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAV SMOKE INDICATION IN FLIGHT ON EICAS. NO SMOKE VISIBLE. PERFORMED OPS CHECK OF LAV SMOKE DETECTOR PER AMM 26-14-01 OPS. CHECK GOOD. NO DEFECTES NOTED A/C OK FOR SERVICE. PERFORMED VISUEAL OF LAV FOUND NO INDICATION OF SMOKE OR TAMPERING OF SMOKE DETECTOR.