Part Number: 114W4120-137 (Slat leading edge no 2 & 13) Part Number: 114W4120-138 (Slat leading edge no 2 & 13) Part Number: 114W4120-139 (Slat leading edge no 2 & 13) Part Number: 114W4120-13A (Slat assy-final, no.) Part Number: 114W4120-13SP (Slat assy-final, no.) Part Number: 114W4120-14 (Slat assy-final, no.) Part Number: 114W4120-140 (Slat leading edge no 2 & 13) Part Number: 114W4120-141 (Slat leading edge no 2 & 13) Part Number: 114W4120-142 (Slat leading edge no 2 & 13) Part Number: 114W4120-143 (Slat leading edge no 2 & 13) Part Number: 114W4120-144 (Slat leading edge no 2 & 13) Part Number: 114W4120-145 (Slat leading edge no 2 & 13) Part Number: 114W4120-146 (Slat leading edge no 2 & 13) Part Number: 114W4120-147 (Slat leading edge no 2 & 13)