Part Number: 114W4140Y37 (777 slat #4 b) Part Number: 114W4140Y38 (777 slat #11 b) Part Number: 114W4140Y39 (Slat leading edge no 4 & 11) Part Number: 114W4140Y40 (Slat leading edge no 4 & 11) Part Number: 114W4140Y41 (777 slat #4 b) Part Number: 114W4140Y42 (777 slat #11 b) Part Number: 114W4140Y602 (Slat 11) Part Number: 114W4141-10 (Slat assembly structural) Part Number: 114W4141-101 (Slat assembly structural) Part Number: 114W4141-102 (Slat assembly structural) Part Number: 114W4141-11 (Slat assembly structural) Part Number: 114W4141-12 (Slat assembly structural) Part Number: 114W4141-13 (Slat assembly structural) Part Number: 114W4141-14 (Slat assembly structural)