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