What was found
PDX-LIGHT CORROSION ON NR 4 FLAP TRACK LOWER SURFACE OF LARGE ROLLERS BOTH SIDES LEFT HAND WING. REPAIRED IAW HORIZON AIR EA 2-27-216.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX-LIGHT CORROSION ON NR 4 FLAP TRACK LOWER SURFACE OF LARGE ROLLERS BOTH SIDES LEFT HAND WING. REPAIRED IAW HORIZON AIR EA 2-27-216.