The phrase "alluded to problems" is correct and usable in written English.
It can be used when referring to someone indirectly mentioning or hinting at issues without stating them explicitly.
Example: "In her speech, she alluded to problems within the organization that needed to be addressed."
Alternatives: "hinted at issues" or "referred to challenges".
Sharon Patrick, the company's chief executive, alluded to problems with flooring introduced under Ms. Stewart's name.
However, we have already alluded to problems with this approach (§3.3).
"Without naming the issues specifically, Rockefeller alluded to problems with a provision repealing National Mediation Board rules that has been blamed by members of both parties for holding up a resolution on the bill.
But he also alludes to problems: He writes that keeping the peer-review system "intact... will be critically dependent on the attitudes of CPRIT leadership," especially CPRIT's oversight committee.
In a post to staff announcing the job losses, Mr Pincus alluded to these problems.
At the time Copper River closed, he only alluded to his problems with Goldman.
He alluded to economic problems that have helped drive down the dollar.
Zach, who alluded to past problems with alcohol (he no longer drinks), told me his marriage of two years had collapsed; neither brother wished to comment further.
Using footnotes and other narratives in its annual reports, the company alluded to serious problems with the program and the necessity of winning sizable claims to turn a profit.
In an apparent effort to play down the significance of the confrontation in Iraq, a statement issued by the White House late Friday night alluded to the problems in vague terms, noting that Mr. Biden had discussed "the current political climate in Baghdad" while repeating the Obama administration's support for "an inclusive partnership government".
Yet it also alluded to systemic problems that were relevant far beyond the walls of C.D.B. "We cannot help but think that these failures to follow up when there were questions may have been due to the sense of urgency to publish rapidly," the report stated.
