What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A .0625 INCH CRACK WAS FOUND COMING FROM THE FASTENER HOLE AT FWD END OF LOWER T-CHORD VERTICAL LEG OF THE FORWARD CARGO DOOR, CONFIRMED BY HFEC INSPECTION. MAINTENANCE CUTOUT DAMAGED SECTION OF T-CHORD AT BS 443, FABRICATED NEW SECTION OF T-CHORD, 2 DOUBLER ANGLES, 1 RADIUS FILLER, AND INSTALLED REPAIR PARTS IAW EO 52-31-04.