As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LOWER WING PLANK ACCESS HOLE FOR PANEL 410AB HAS SOME MINOR CORROSION AND PITTING AROUND OUTER PANEL SURFACE. BLENDED MINOR PITTING AND CORROSION ON LOWER LEFT WING PLANK ACCESS HOLE FOR PANEL 510AB IAW BOMBARDIER REO 601R-57-21-030. (M)