As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX C4 CHECK CORROSION ON FORE AND AFT LOWER CORNER COMBING PIECES, I/B FLANGE, ON PAX DOOR APERTURE LOWER EDGE. REMOVED NUTPLATE FROM CASTING AND REMOVED CORROSION. REMOVED .002" MATERIAL REF CPM SECT 4. WITH IN LIMITS PER -8 200 SRM 51-20-11. REINSTALLED NUT PLATE ON CASTING.