What was found
PDX C4, LEFT HAND WING FUEL TANK OPENING MATTING SURFACE FOR FUEL PANEL 524AT HAS A AREA OF FRETTING CORROSION AT OUTBOARD END. REPAIRED IAW RD 8-57-611, PAGE 11-3, STEPS 1-4.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX C4, LEFT HAND WING FUEL TANK OPENING MATTING SURFACE FOR FUEL PANEL 524AT HAS A AREA OF FRETTING CORROSION AT OUTBOARD END. REPAIRED IAW RD 8-57-611, PAGE 11-3, STEPS 1-4.