As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: SMOKE LIGHT ON OVERHEAD AND LAVATORY E SMOKE DETECTOR ALARMED. FLIGHT ATTENDANTS REPORT NO APPARENT SMOKE. LIGHT EXTINGUISHED AND ALARM STOPPED AFTER A FEW SECONDS. ACCOMPLISHED LAVATORY E SMOKE DETECTOR OPERATIONS CHECK PER AMM 26-14-00. NO SMOKE NOTED. ALL TESTS PASSED.