As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE WING PLANK ACCESS HOLE CUT OUT FOR PANEL 510AB AT WS 12.245 HAS CORROSION PITTING AT THE OUTBOARD RADIUS .004 INCH DEEP AND AT THE INBOARD RADIUS .003 INCH DEEP. MAINTENANCE BLENDED MINOR CORROSION IAW BOMBARDIER REO 601R-57-21-030 REV D. (M)