What was found
PDX - FIRE SYSTEM FAULT STATUS MESSAGE RECEIVED. MAINTENANCE REPLACED THE AFT CARGO COMPARTMENT SMOKE DETECTOR (AFT). 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 - FIRE SYSTEM FAULT STATUS MESSAGE RECEIVED. MAINTENANCE REPLACED THE AFT CARGO COMPARTMENT SMOKE DETECTOR (AFT). OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.