He saw a possible flaw in the story.
Gina went through some of the pictures in her mind, searching for possible flaws or inaccuracies.
Sir, may I point out two possible other flaws?
The budget office focused most of its analysis on the Pentagon's assumptions, and the possible flaws in its approach.
However, he thought the episode managed to "easily overcome its possible flaws" to turn into a "very fine program".
If you show something to a large enough group of critics, they'll notice (and find a way to remove) almost any possible flaw.
Even before Friday, all systems were humming, with the only possible flaw being that the economy might be heating up a bit too fast.
Despite this possible flaw, it seems to be most successful.
And some family members are still said to be suspicious of frame 65 and other possible structural flaws.
I trust your friendship with Bill won't be affected by a realistic look at a possible flaw of his.