This may happen, for example, in cases in which it can be demonstrated that the nonconformity was absolutely accidental, and the probability of re-occurrence is very low.

这种问题有可能会在以下情况发生的。譬如，可以证实，不符合问题绝对是偶尔发生的意外，这样的意外再发生的概率是非常非常低的。