Part Number: 109-120027-1 (Channel-lower-le-cent sect) Part Number: 109-120027-3 (Channel-lower-le-center sect) Part Number: 109-120028-2 (Support-supt assem ldg gr) Part Number: 109-120034-23 (Seal lh leading edge doo) Part Number: 109-120034-31 (Door leading edge assem lh) Part Number: 109-120034-35 (Hinge half lh leading edge d) Part Number: 109-120034-39 (Shim lh leading edge door) Part Number: 109-120034-41 (Hinge half lh wing leading edge ) Part Number: 109-120034-43 (Strap-leading edge assembly-c. s) Part Number: 10912-004 (Bracket) Part Number: 109-120058-2 (Channel - center wing le) Part Number: 109-120059-1 (Channel center wing l.e. low) Part Number: 10912-006 (Bracket) Part Number: 109-120064-27 (Door)