What was found
INSP AT PDX - LEVEL 2 CORROSION: DURING INSPECTION, FOUND 5 CARGO AREA SEAT TRACKS CORRODED BEYOND SERVICEABLE LIMITS. DAMAGE IS MOSTLY FOUND BETWEEN FUSELAGE STATION 282 AND 332, HOWEVER, SOME DAMAGE DOES EXIST IN THE AREAS BETWEEN FUSELAGE STATION 166-332. REMOVED AND REPLACED CARGO SEAT TRACK P/N 2611040-5, 2611040-3, 2611040-1, 2611040-2 AND 2611040-12 (FACTORY REPLACEMENT PARTS).