Line Replaceable Unit

Line Replaceable Unit

Definition

Usually referred to an an LRU, it is a component which can be readily changed on an aircraft during line maintenance operations.

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Cite This Page SKYbrary Aviation Safety. (June 24, 2022). Line Replaceable Unit. Retrieved February 2, 2026 from https://skybrary.aero/articles/line-replaceable-unit UID: 1447
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