What was found
C4 PDX - FRETTING CORROSION ON BOTTOM OF LEFT SPAR 6" FROM FUSELAGE. REPAIRED IAW RD8-57-811.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 PDX - FRETTING CORROSION ON BOTTOM OF LEFT SPAR 6" FROM FUSELAGE. REPAIRED IAW RD8-57-811.