Community Tip - Have a PTC product question you need answered fast? Chances are someone has asked it before. Learn about the community search. X
Not possible. The assembly file only has info about the component's being mated within the assembly - it does not include any info about the component.
It is blocked from Windchill because you do not have the complete structure to check-in.
You have 2 threads essentially asking the same question. See the other one for additional answers.