The phrase "a possible challenge of" is correct and usable in written English.
It can be used when discussing potential difficulties or obstacles related to a specific topic or situation.
Example: "One possible challenge of implementing this new software is the need for extensive training for all employees."
Alternatives: "a potential obstacle to" or "a likely difficulty with".
He had considered a possible challenge of another Long Islander, Senator Alfonse M. D'Amato, but backed off in the face of a widespread view among Republican and Democratic politicians that the Republican incumbent would be very difficult to defeat.
And the Republicans, for all their complaints about tort manipulators in the rival party, have their own lawyers busy after the Missouri loss, parsing the meaning of "inhabitant" -- the ultimate definition of what "is" is -- for a possible challenge of that state's departed people's choice.
The Chamber of Commerce, which in July successfully convinced a federal court to overturn the SEC's proxy access rule, has its sights on a possible challenge of the conflict minerals rule if the agency does not improve its cost estimates.
Asked about the prospect of legal action, including a possible challenge to the Court of Arbitration for Sport in Switzerland, Deutrom said:"We are only 24 hours into all this but nothing is being ruled out at this stage.
A possible challenge to the identification of equations (1), (2) and (3) is the presence of occupations in which foreigners coming from the same nation tend to cluster (Patel and Vella, 2007).
[Page C2.] U.S. Weighs Import Limits on China Brushing aside Chinese warnings of a possible challenge to the World Trade Organization, Grant Aldonas, left, the undersecretary of commerce for international trade, said that the United States would limit apparel imports if American manufacturers provided evidence that such restrictions were needed.
The prospects of an early end to the coalition and of a possible challenge to David Cameron's leadership were discussed at a private dinner last week, which included leading figures from the Right of the party.
At a Goldman , Sachsinvestors conference in New York, Mr. Case did not comment on reports of a possible challenge to his job from other directors.
Voters also approved an amendment banning same-sex marriage, although the debate is likely to linger, with talk of a possible challenge to the amendment's legality.
The column says: "This season Mr. Lederman and his elves have been going around documenting Christmas tree stands in contemplation of a possible challenge to the vending laws.
This season Mr. Lederman and his elves have been going around documenting Christmas tree stands in contemplation of a possible challenge to the vending laws.
