The slightest flaw, if unchecked, could lead to disastrous consequences.

His taste buds can detect the slightest flaws in prepared food.

There are one or two slight flaws in the plotting.

Even a very slight flaw in some of the parts could render the machine inoperative.

I seemed to detect a slight flaw near to the stone's center.

But I do detect a slight flaw or two in his reasoning.

After only a few hours he realized one slight flaw in his plan.

But these are slight flaws in a film in which almost everything works.

Some unstable pitch was a problem, although the bright hall amplified even slight flaws.

But these are slight flaws that fade from memory in the denouement.