What was found
PDX - APU CAUSING SMOKE IN CABIN AND COCKPIT. APU REPLACED IAW MAINT MANUAL. APU OPS CHECKED GOOD ON GROUND. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - APU CAUSING SMOKE IN CABIN AND COCKPIT. APU REPLACED IAW MAINT MANUAL. APU OPS CHECKED GOOD ON GROUND. AIRCRAFT RETURNED TO SERVICE.