The phrase "a problematic part" is correct and usable in written English.
It can be used to refer to a specific section or element that poses issues or challenges within a larger context.
Example: "In the report, a problematic part was the lack of data to support the conclusions drawn."
Alternatives: "a challenging section" or "a troublesome aspect".
Jon Tenney took a problematic part — the F.B.I. agent Fritz Howard, whose oscillating feelings for Brenda Leigh could register as an artificial device for pumping up the emotional level — and managed to give a consistently grounded, at times intensely sympathetic performance.
"A problematic part of the ExoMars mission is that it was another multibillion dollar flagship mission," Bolden said.
Despite their disagreements on the level of antiquity that should be considered as the source of legitimate philosophical discourse, both agreed that principle was a problematic part of it and so should not be naively highlighted in metaphysical discussions.
If this sounds familiar, it's because this isn't the first time Mattingly has been optimistic about a problematic part of his team.
I love Israel with every fiber of my being, and it was never called into question as a problematic part of my character until I entered my university.
As a result, the AAP started pushing parents to see TV (and, hence, the "screen") as a problematic part of the household, something to be critiqued and considered.
If a big bill has only a few problematic parts, a president has to choose between vetoing the whole bill, or agreeing to enforce provisions he believes to be unconstitutional.
The scene doesn't shy from the objectification that is a vital and deeply problematic part of warfare.
It also introduces an algorithm for the synthesis of fault trees, which mechanises and simplifies a large and traditionally problematic part of the assessment, the development of fault trees.
The basic idea of FE-OMsPGM is to utilize the traditional finite element method (FEM) directly on a fine mesh of the problematic part of the domain and using the Petrov Galerkin version of oversampling multiscale finite element method (OMsPGM) on a coarse mesh of the other part.
Basically, a LEEP involves a doctor using a tiny, charged tube to burn off the problematic part of your cervix.
