The approved structural program defines applicable areas, task type and thresholds or intervals.
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STRUCTURES & INSPECTIONADVANCED
Structural significant item
SSI Abbreviation · Structural Significant Item Synonym
A structural detail, element or assembly whose failure could affect aircraft structural integrity.
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How the term is used
SSIs are identified during structural maintenance-program development and are managed through inspections or other tasks addressing fatigue, environmental deterioration and accidental damage.
Where you may encounter it
Technicians must match findings to the exact structural location and report damage clearly for assessment.
The term does not mean every visible structural part can be treated with the same inspection or repair criteria.
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