The phrase "a plea about" is correct and usable in written English.
It can be used when discussing a request or appeal regarding a specific topic or issue.
Example: "She made a heartfelt plea about the need for more mental health resources in schools."
Alternatives: "an appeal regarding" or "a request concerning".
I would like to add a plea about flying with allergies.
David J Handley Gargrave, North Yorkshire Your wise advocacy of maintaining the teaching of Greek in our schools prompts a plea about a comparable British cultural achievement.
The report also notes that when the questions became too tough, the coaches and their advocates tried copping a plea about giving second chances to underprivileged youth; when challenged further, the basketball people tried claims of racism.
What follows is a plea about a specific, if widespread, series of health problems; but it's also a parable about the short-term nature of our debate on the NHS, and about value for money, investment and austerity economics.
In 2012, he was considering a plea bargain about standing trial in England.
It is a "feminist plea about women's place in history" with the title referring to the "cowardice of men".
Nearly the entire military corps at Fort Campbell, Ky., was summoned last month to hear an anxious general make an extraordinary plea about the alarming rate of suicide by soldiers.
The dental technician got up in front of the city leaders, made an impassioned plea about what makes an "ideal" neighborhood and impacted the vote.
The other problem is that "banks" feel no shame in a guilty plea (or about much of anything).
In this current climate, when history books in Texas have been rewritten to provide a more sanitized version of the past, and when Mexican American Studies have been under attack in Arizona and elsewhere, her message becomes a plea to learn about one's own history and about groups that are usually left out of history textbooks.
Dressed in his shlumpy work clothes, he issued an impassioned plea about the November election.
