As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: SMOKE DETECTOR AURAL ALERT SOUNDED THROUGHOUT CABIN INCLUDING ALL LAV SMOKE LIGHTS. BRIEF EICAS MSG:SMOKE/LAV DETECTOR FOR APPROX.10 SECONDS. NO SMOKE/FIRE FOUND IN ANY LAV. ACCOMPLISHED FIM 26-14-00-810-808. NO MAINTENANCE ACTION IS NECESSARY.