What was found
PDX - CORROSION ON FUSELAGE SKIN CUTOUT NEXT TO RIVETS AND NUT PLATES WHERE AFT BLANKING PLATE ATTACHES FOR RADIO ALTIMETER ANTENNA. REPAIRED IAW HORIZON AIR EA 4-53-1521.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - CORROSION ON FUSELAGE SKIN CUTOUT NEXT TO RIVETS AND NUT PLATES WHERE AFT BLANKING PLATE ATTACHES FOR RADIO ALTIMETER ANTENNA. REPAIRED IAW HORIZON AIR EA 4-53-1521.