MSG-3

Maintenance Steering Group-3 (MSG-3)

MSG-3 is a voluntary structured process developed by the industry and maintained by ATA to make decisions used to develop maintenance and inspection tasks and intervals for an airplane.   SkyLibrary has the following definition: “The MSG-3 (the MSG stands for “Maintenance Steering Group” but the abbreviation is universally used) is a decision-logic process for [...]

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Maintenance Significant Item (MSI)

Maintenance Significant Item (MSI) – Under MSG-3, items identified by the design approval holder whose failure could cause one of the following effects: (1) It could affect safety on the ground or in flight, (2) It could be undetectable during operations, (3) It could have a significant impact on operations, or (4) It could have [...]

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