The bark has a noticeable split in its trunk which has been there for a number of years. The split seems to be fairly static. Enclosed are some images. Are you able to comment on the possible problem? Please see images attached.
Prunus Cherry Tree With a Bark Problem
Certified GKH Gardening Expert
I am going to refer you to a very excellent article on bark splitting from Cornell University which discusses the possible reasons this occurred (various environmental factors).
(Cornell University PDF – bark splitting on trees): https://bit.ly/1KEmrRn