What was found
PDX - LAVATORY SMOKE DETECTOR WILL NOT TEST. REMOVED AND REPLACED SMOKE DETECTOR. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - LAVATORY SMOKE DETECTOR WILL NOT TEST. REMOVED AND REPLACED SMOKE DETECTOR. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.