The phrase "we sent a request" is correct and can be used in written English.
Example: We sent a request to the customer service department for a refund on our purchase.
We sent a request for them on Aug. 9.
We sent a request email and two weeks later a reminder email to the authors of 113 studies with missing data.
In 2010, we sent a request to all 43 units performing UKA in Norway to manually count the surgeon volume for 2 specific years.
When numbers on included, deceased and/or hospitalized individuals were not reported in the RCTs, we sent a request e-mail to the corresponding author.
In our test, we send a request to one device and read out 18 measurements.
We sent a formal request for evaluation to the New York City Landmarks Preservation Commission in August 2012".
So we sent a written request for some basic information about Mr Ricucci himself, his companies and his property portfolio.
First we sent a polite request through a friend to Google's local P.R. office, and were "ix-nayed," as the friend informed us.
We sent a formal request for an interview last week which appears to have been denied.
We sent an email request to all authors of studies with missing data.
We sent a proposal and request for collaborative research to the Director of the National Institute of Medical Research, Dar es Salaam, Tanzania, and the agreement for research collaboration was obtained through AMReC.
