Glossary

Internal traceability

Internal traceability is the ability to follow materials, products, and process records within a manufacturing operation.

Quality, Compliance and Traceability Traceability and Digital As-Built Traceability and Genealogy

Internal traceability is the ability to follow materials, parts, products, and related process records within a manufacturing operation. It shows what happened inside the organization, such as where an item moved, which work order it was tied to, what operations were performed, and which records were created along the way.

In manufacturing systems, internal traceability commonly connects identifiers such as lot numbers, serial numbers, batches, work orders, routings, equipment, operators, inspection results, process parameters, and nonconformance records. It is often supported by MES, ERP, quality management systems, digital travelers, barcode or RFID capture, and production history records.

Internal traceability should not be confused with external traceability, which focuses on supplier inputs or customer shipments across organizational boundaries. It is also related to, but not always the same as, product genealogy. Genealogy usually describes the parent-child relationship between components and assemblies, while internal traceability covers the broader operational record of movement, processing, inspection, and status inside the facility.

Lot tracking helps narrow exposure when a material quality escape is discovered by showing which received lots were used in which jobs, assemblies, or shipments. That can reduce over-containment and speed investigation, but only if identifiers, transactions, and genealogy are captured accurately across receiving, storage, production, rework, and shipping.

What does a manufacturing execution system do?

A manufacturing execution system (MES) coordinates and records production in real time between planning systems (ERP) and the shop floor. In regulated, brownfield plants it typically spans dispatching, WIP tracking, eDHR/eBR, traceability, data collection, and enforcement of workflows and specifications, but actual scope depends heavily on existing systems and validation constraints.

How do we trace a KPI value back to individual work orders and defects?

You can trace a KPI back to work orders and defects only if the metric is built on governed source mappings, stable identifiers, and preserved event history. In brownfield plants, this usually depends on MES, ERP, QMS, and sometimes historian integration quality. Without clear lineage, time alignment, and change control, the KPI is only a summary, not defensible evidence.

How does ERP fit into AS9100-compliant quality and traceability processes?

ERP typically provides the transactional backbone for AS9100 operations: customers, contracts, parts, BOMs, purchasing, inventory, and cost. On its own it is rarely sufficient for end-to-end AS9100 traceability or quality evidence. In most aerospace plants, AS9100 requirements are met by a combination of ERP, MES/PLM/QMS and controlled documents, with integration and governance being the real constraint.

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