Direct Serialized (Part unique): Every part has an identification (such as unique serial number) placed on it. This identification is read in by the assembly line, and linked to a specific engine or transmission.Lot tracing: is the tracking of each pallet/box/container lot number as it is delivered to the point of use. The Team Member will capture the Lot Number of the material before use and assign a EUN / TUN to the first piece used from the lot. All lots being tracked shall be tracked using QC&A/Flexnet when possible.