What was found
PDX C4, LEFT HAND WING FUEL PANEL 524CT INBOARD END MATTING SURFACE HAS FRETTING (ENTIRE END). FUEL TANK ACCCESS PANEL FRETTING CORROSION ON ENTIRE INBOARD END. REPAIRED IAW RD 8-57-320.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX C4, LEFT HAND WING FUEL PANEL 524CT INBOARD END MATTING SURFACE HAS FRETTING (ENTIRE END). FUEL TANK ACCCESS PANEL FRETTING CORROSION ON ENTIRE INBOARD END. REPAIRED IAW RD 8-57-320.