Key Requests can be accessed via Inventory>Keys and then clicking the "Requests" button.
Key request records are just key checkout records that have a status of 1 instead of a status of 0. To convert a key request to a key checkout, follow the following steps:
To return to the Key Request screen, click the "View All" button at the top right, then click "Requests". Alternatively, click the "Back" button in your browser until you return to the key request screen, then refresh the page.