returnAuthorization not returning a status

I'm executing a GetListRequest to return a list of returnAuthorization transactions.  The XML I'm sending is:

<?xml version="1.0" encoding="utf-8" ?>
<env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <env:Body>
    <n1:getList xmlns:n1="urn:messages_2_5.platform.webservices.netsuite.com"
        xsi:type="n1:GetListRequest">
      <n1:baseRef xmlns:n2="urn:core_2_5.platform.webservices.netsuite.com"
          type="returnAuthorization"
          externalId="Q553333Q"
          xsi:type="n2:RecordRef">
      </n1:baseRef>
      <n1:baseRef xmlns:n3="urn:core_2_5.platform.webservices.netsuite.com"