What was found
LEFT WING FUEL STORAGE ACCESS PANEL LANDING AT WS 510AB HAD FRETTING CORROSION. REMOVED THE CORROSION AND RESTORED THE FINISH IAW REO 601R-57-21-030, REV L.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT WING FUEL STORAGE ACCESS PANEL LANDING AT WS 510AB HAD FRETTING CORROSION. REMOVED THE CORROSION AND RESTORED THE FINISH IAW REO 601R-57-21-030, REV L.