Creo ModelCHECK > checks > SO27_MULT_SOLID (Multi-Solid Parts)
  
SO27_MULT_SOLID (Multi-Solid Parts)
Y/N/E/W
In an assembly environment, there is generally only one solid in one part. If there is more than one solid in a model, GeomIntegrityCHECK reports them as separate solids.
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E
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N