The phrase "a notable flaw" is correct and usable in written English.
You can use it when discussing a significant or important defect or imperfection in something, such as a product, argument, or piece of writing.
Example: "While the novel was engaging, it had a notable flaw in its character development that detracted from the overall experience."
Alternatives: "a significant defect" or "an important shortcoming."
The emphasis on my one notable flaw, the goading and ganging up, would have caught me too young and with nowhere to hide.
The Magic's only other notable flaw: opponents made 36.3 percent of their 3-point attempts against Orlando, the eighth-highest mark in the league.
REALITY CHECK There was one notable flaw in Daihatsu's plan: nothing about the tinny 3- or 4-cylinder car was premium.
The most notable flaw of the haphazardly organized festival (besides its relatively inaccessible location) was the hiring of the Oakland chapter of the Hell's Angels motorcycle gang as security, a shocking bit of naïveté on the band's part.
With the 17th pick in the June draft, he selected Shumpert, who was considered a wildly intriguing prospect with notable flaws.
They retailed at a launch price of £49.95 each but both had notable flaws.
Herbert is sometimes praised for his "worldbuilding", but this isn't quite right (on the level of worldbuilding the novel has notable flaws, not least the absence of any means of oxygenating the planetary atmosphere).
Notable flaws characterized each design type and many other research methods (see below).
29 Although this intervention doubled the proportion of patients prescribed VTE prophylaxis, the absolute rate remained quite low (table 3), highlighting one of the notable flaws of optional interventions.
Securities law experts differed over the practical importance of the change, with some saying it is a notable acknowledgment by the agency of flaws in its system, and others suggesting that it will not affect most S.E.C. cases, which involve only civil charges.
