As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LAVATORY 2R SMOKE DETECTOR AURAL ALERT SOUNDED FOR 5 SECONDS WITH NO VISUAL INDICATION OR EVIDENCE OF SMOKE AND NO COCKPIT INDICATIONS. PERFORMED ALL TEST ON FLIGHT ATTENDANT SCREEN NO FAULTS NOTED PER FIM 26-14-00.