What would Chris Grayling have to do to get the sack?

Do something successfully

To be honest the entire Tory government needs to go,before it destroys the UK as a whole .There isn't a single tory who should be in their job .

"Failing Grayling"

Did you see the interview with the Manager/Director of the Port of Dover? They have had NO information whatsoever about how to prepare- no extra staff, no nothing at all. Zilch, nought, nada - rien du tout

We're being punished as a nation for some dreadful deed we've done in the past?

I don't know either.
He seems to create mayhem and disaster everywhere he goes. Mr Teflon stays in post, no matter what.

Look back at his track record !