M9 Implications of Errors in Aviation Maintenance

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Iceberg analogy for errors

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Like an iceberg, most errors are hidden and do not lead to accidents.

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Visible errors

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These are errors that result in major harm, serious injuries, or death.

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Operational incidents

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Errors that cause operational issues but do not result in accidents.

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Significance of incidents

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All incidents are significant as they could lead to accidents under different circumstances.

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Mandatory Occurrence Reporting Scheme (MORS)

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Used by the UK Civil Aviation Authority to report maintenance incidents and disclose trends.

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Objective investigation of errors

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Maintenance errors should be investigated objectively to address contributing factors and root causes.

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Positive aspects of human error

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Learning from errors is a powerful and persuasive lesson in human error management.