Glossary Term: Engineering Change Request (ECR)

An Engineering Change Request (ECR) is the change request listing proposed improvements or problems with components or assemblies. Generally, the ECR precedes the engineering change order (ECO). The ECR documents the reason for the change request and lists items in the bill of materials that may be impacted by the proposed change.

In change management, the ERC is the first step in enacting corrective action in the manufacturing process. The document details the proposed changes and the impact of the change on the error in the product. The issuance of the ECR is a formal process of reviewing and proposing a change to a product.

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