What was found
PDX - C4 FRETTING CORROSION ON BOTTOM OF LEFT LEADING EDGE SPAR 6 INCHES FROM FUSELAGE. REPAIRED IAW RD 8-57-811.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - C4 FRETTING CORROSION ON BOTTOM OF LEFT LEADING EDGE SPAR 6 INCHES FROM FUSELAGE. REPAIRED IAW RD 8-57-811.