What was found
THE LEFT LOWER WING PLANK HAS CORROSION AT THE FUEL TANK ACCESS CUTOUT FOR PANEL 540BB HOLE NR 1 AT WAS 54.897 APPROX .005 INCH DEEP BY 1 INCH LONG IN THE NON CRITICAL AREA ON THE OUTBOARD HOLE EDGE. MAINTENANCE REPAIRED FUEL TANK ACCESS HOLE CUTOUT WING PLANK IAW BOMBARDIER REPAIRED FUEL TANK ACCESS HOLE CUTOUT WING PLANK IAW BOMBARDIER REO 601R-57-21-030 REV D. (M)