As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - BAGGAGE FWD FIRE TEST DOES NOT FUNCTION. WHEN TEST BUTTON IS PRESSED THERE IS NO RESPONSE. REMOVED AND REPLACED FWD BAG COMPT SMOKE DETECTOR REF AMM TASK 26-12-06-000-801. OPS CHECK GOOD, NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.