What was found
LT WING, LWR WING PLANK, HOLE NR 1, WS 54.897, HAS CORROSION AT IB SIDE 12 INCH L X .002 INCH-.003 INCH DEEP AND OB FWD SIDE 1 INCH L X .001 INCH - .002 INCH DEEP AND AT OB FWD SIDE 1 INCH L X .001 INCH- .002 INCH DEEP. (K) MAINTENANCE REPAIRED LEFT WING LOWER PLANK FUEL TANK ACCESS DOOR CUTOUT AT PANEL 540BB, WAS 54.897 HOLE NR 1 INBOARD AND OUTBOARD EDGES BY REMOVING CORROSION TO A MAX DEPTH OF .003 INCH IAW BOMBARDIER REO 601R-57-21-030 REV D. (M)