@B33bop I would change the input from Power Apps back to Date and then run a Compose action with the expression to format the date back to long date. (I know it's pretty redundant but the connector seems to modify the date for some reason)
The expression should look like this:
formatDateTime(triggerBody()?['DateReqRcvd'], 'dd MMMM, yyyy')
You can remove the comma if preferred.
Here is an example of a flow I made for testing:

When the flow runs successfully, the date should output as such:
