What was found
C4 PDX - FUEL TANK ACCESS PANEL 524CL HAS FRETTING ON WING STRUCTURE AT STATION YW404.00, YW387.00, YW369.00 AND YW334.00. REPAIRED IAW RD8-57-611.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
C4 PDX - FUEL TANK ACCESS PANEL 524CL HAS FRETTING ON WING STRUCTURE AT STATION YW404.00, YW387.00, YW369.00 AND YW334.00. REPAIRED IAW RD8-57-611.