I think you will find your answer aft of the air scoop aft of the wing! Quite a dink out of it.
Quite a Spad leading edge shaped ding I would say.
Guessing either it's back was broken or control lines severed...??
Amazing bail out from a P-51 at such low level
Ironic it's marked as Col Landers a/c when he was CO of the wartime Duxford based 78th FG.