New Surplus Piper Right-Hand Leading Edge Assembly p/n 56140-045. PA42-720. This came in an inventory we purchased. Leading Edge Assembly looks to be in excellent shape and is already crated and ready for shipment. We believe that this Leading Edge Assembly fits on Piper Aircraft Model PA42-720 Cheyenne IIIA, according to a Piper Service Center we talked to this Leading Edge Assembly is not illustrated in the parts book for the PA42-720.