The phrase "a request about" is correct and usable in written English.
It can be used when you want to specify the subject or topic of a request you are making.
Example: "I have a request about the upcoming meeting schedule that I would like to discuss."
Alternatives: "an inquiry regarding" or "a question concerning".
"I'm pregnant," said one sign, while another stated "from Siberia with a request about love".
BBC Worldwide had not responded by the time of publication to a request about whether a review of the division's executive remuneration packages was being considered.
Yahoo did not respond to a request about why it had more visitors, and comScore said it was unable to determine why Yahoo was the top site this month.
They made a request about what they might want to do leading up to the Ashes series, then it was up to the England and Wales Cricket Board to try to accommodate it.
The RCN received responses from 73% of acute, community, mental health and specialist NHS trusts in England to a request about spending on agency nurses, under the Freedom of Information Act.
NIAID intramural researcher Kanta Subbarao said her project to develop a rabbit model for MERS has also been exempted; the National Institutes of Health had not responded to a request about the other projects at press time.
The bureau had twice failed to give a good answer to an OGI request about a dairy farm that was discharging waste.
One document showed that the CIA had responded to a Libyan request about the user of a satellite phone by giving GPS references for every call made.
A whois lookup is an information request about the owner of an IP address or domain name.
Mr. Beck declined an interview request about his future plans, but through a spokesman, he provided a statement.
Arpaio declined an interview request about the recall effort.
