What was found
PDX- LAVATORY SMOKE DETECTOR ALARM SOUNDED ON CLIMB-OUT. MAINTENANCE INSPECTED AND FOUND NO EVIDENCE OF FIRE OR SMOKE. REPLACED THE LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS 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 ALARM SOUNDED ON CLIMB-OUT. MAINTENANCE INSPECTED AND FOUND NO EVIDENCE OF FIRE OR SMOKE. REPLACED THE LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.