As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- FLOORBEAM PLATE WEB HAS CORROSION REMOVAL GREATER THAN 15 PERCENT AT FLOOR PANEL NUT PLATE AREA AND ONE HOLE AT FORWARD END HAS TWO CRACKS STEMING FROM HOLE BETWEEN FRAMES 4175 AND 4850. REPAIRED IAW FOKKER SRM 51-31-01 AND 53-11-05.