As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- C5 - CORROSION ON LOWER SURFACE OF MCD SILL PLATE STATION X250 AT AFT NUT PLATE. BLENDED TO REMOVE CORROSION IAW RD8-53-8921. HFEC INSPECTION OF BLENDED AREA IAW -8/200 NDTM PART 6 51-00-01, NO CRACKS NOTED. AREA IS WITHIN LIMITS, ETCH, ALODINE AND PRIMED REF RD8-53-8921.