Sub test()
Dim f As Worksheet, nsem, plage As Range, x
nsem = Sheets("TCD").[AD3]
Set f = Sheets("TB")
Set plage = f.Columns(1)
x = Application.Match(nsem, plage, 0)
If Not IsError(x) Then
f.Cells(CLng(x), 2).Resize(, 17).Value = Sheets("TCD").[AE3:AU3].Value
End If
End Sub