"failures on" is an acceptable phrase in written English.
It can be used to refer to unsuccessful attempts or experiences. For example, "The project was ultimately unsuccessful due to failures on the part of its design team."
I encountered no failures on this menu.
There have been failures on Obama's watch, of course.
The government, for its part, blamed failures on the museums.
And there were failures on both sides here.
"Is it because of prior failures on probation?
I am not aware of any failures on my part".
Failures on the part of observers were made to seem failures on the part of th candidates.
Friedman and Schwartz emphasized the effects of bank failures on the money supply.
Halliburton and Transocean similarly pointed to failures on the part of the other parties involved.
Moreover, the UIA blamed much of Iraq's economic failures on corruption in Mr Allawi's cabinet.
And the failures on growth, unemployment and inflation has had real effects on the deficit.
