CSMS Message 17-000413 was issued this week advising that the FDA’s systems will be down from 3:30 am to 4:30 pm Saturday, July 22, 2017.  During this time period, the FDA will not be able to receive new data from CBP or send any outbound messaging.  After the maintenance is complete, it will take the FDA a few hours to work through the backlog of shipment data.  Please plan accordingly.