As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSP PDX / LEVEL 2 CORROSION: DURING INSPECTION IN PDX, FOUND LEFT INBOARD AND CENTER CARGO AREA SEAT TRACKS CORRODED BEYOND SERVICEABLE LIMITS IN VARIOUS LOCATIONS. DAMAGE RANGES BETWEEN FUSELAGE STATIONS 166 TO 332. REMOVED AND REPLACED SEAT TRACKS PN 2611040-1 AND 2611040-3 WITH FACTORY REPLACEMENT PARTS.