The 6 cylinder isn't certified, the 4 cylinder was / is.
This one was a 6.
Jabiru have recently responded by updating their service manually by saying that anyone inspecting, servicing or overhauling their engines must be an RA-Aus L2 or a LAME which suggests that owner non-mechanics are causing these issues. If this one was online then it will be maintained by one of these which may potentially disprove this theory.