Engineering change notice

An engineering change notice (ECN), or change notice, is a document which records or authorizes a change to a specific design. The reasons for the change should also be recorded.

Following sound engineering principles, control and documentation are necessary to ensure that changes are built upon a known foundation and approved by relevant authorities.

单词	Engineering Change Notice
释义	Engineering Change Notice 英语百科 Engineering change notice An engineering change notice (ECN), or change notice, is a document which records or authorizes a change to a specific design. The reasons for the change should also be recorded. Following sound engineering principles, control and documentation are necessary to ensure that changes are built upon a known foundation and approved by relevant authorities.
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Engineering Change Notice

Engineering change notice