Creo ModelCHECK > checks > F15_SURF_DIST (Proximity of a Boundary Curve to its Surface)
  
F15_SURF_DIST (Proximity of a Boundary Curve to its Surface)
Y/N/E/W
In bounded surfaces, GeomIntegrityCHECK reports boundary curves with too great a distance to the surface (normal or lateral). It also reports boundary curves that extend beyond the parameter range of the surface.
Suggested Settings:
Inter
Batch
Regen
Save
E
E
N
N