$siteUrl="http://sp:20971/test1"
$site = New-Object Microsoft.SharePoint.SPSite $siteUrl
$ctName1 = "Finance Standards Documents"
$ctName2 = "Finance Network Standards Documents"
$ctName3 = "Document"
$name="StdsDocStatus"
$file="c:testpp4.csv"

foreach ($web in $site.AllWebs) {
    foreach ($list in $web.Lists) {
        if ($list.BaseType -eq “DocumentLibrary”) {

           foreach ($ctype in $list.ContentTypes)
             {

                   if ($ctype.Name -eq $ctName1 -or $ctype.Name -eq $ctName2 -or $ctype.Name -eq $ctName3)
                   {


                      if($list.Items.Count -ne 0){

                     foreach($item in $list.items)

                     {

                       if($item[$name] -eq "Approved")
                        {
                        $item.Fields | foreach {
             $fieldValues = @{
            "Display Name" = $_.Title
            "Internal Name" = $_.InternalName
            "Value" = $item[$_.InternalName]
        }

         New-Object PSObject -Property $fieldValues | Select @("Display Name","Internal Name","Value")

                        }|Export-Csv -Path $file



                     }

                         }


                    }
             }




        }
        }


        }
        }