5.5.5.5 is program rsiq03.p 2+ 5.5.5.6 PO Shipper/Container Inquiry and is the same as in 5.13.15
5.5.5.11 is the actual receipt, you can see in 3.21.1 or better in the PO module using same program (5.13.15). The difference is that the shipper will be confirmed, meaning the goods have been received and are not "in process". There are other PO Receipt reports in 5.13.
