To inspect the Apron/Kingpin/Gap area, all of the following apply EXCEPT `_________`.

A These should all be part of the pre-trip inspection.

explanation

Kingpin/Apron/Gap:
- Check that the kingpin is not bent.
- Make sure the visible part of the apron is not bent, cracked or broken.
- Check that the trailer is laying flat on the fifth wheel skid plate (no gap).