An STL file has been imported using the NX body type and no new features display in the Part Navigator
Solution
In the Part Navigator there's a folder marked Non Time Stamped Geometry.
The STL file will come in as Facet Body in this folder.
Notes and References
Hardware/Software Configuration
Platform: all
OS: n/a
OS Version: n/a
Product: NX
Application: TRANSLATOR
Version: V1899
Function: OBJ
Ref: 001-9810471