Importing camera FBX into subsequence loses focal length

Importing a camera FBX into a sub sequence will not copy focal length animation. 

1. Create a level sequence
2. Add a cine camera to the level sequence
3. Animate the camera's Current Focal Length
4. Rename the camera to remove any spaces
5. Right click on the camera's name and select export
6. Export the FBX with default values
7. Right click on the camera's name and select import
8. Use the FBX exported in #6 and use default import settings
9. Verify that the focal length is animated the same as before
10. Create a new sequence
11. Add a shot track to the sequence from #10
12. Add a shot to the shot track and select the sequence from #1
13. Double click on the shot section to open the shot sequence
14. repeat #7 and #8

RESULT:

The focal length will no longer be animated. 

EXPECTED:

The focal length animation would be the same.