What was found
PDX - AFT CARGO SMOKE DETECTOR CAUTION MESSAGE DISPLAYED, THEN WENT OUT. INSPECTED BOTH AFT CARGO SMOKE DETECTORS WITH NO DEFECTS FOUND. NO CAUTION MESSAGES DISPLAYED. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - AFT CARGO SMOKE DETECTOR CAUTION MESSAGE DISPLAYED, THEN WENT OUT. INSPECTED BOTH AFT CARGO SMOKE DETECTORS WITH NO DEFECTS FOUND. NO CAUTION MESSAGES DISPLAYED. AIRCRAFT RETURNED TO SERVICE.