What materiel management system output notifies the Integrated Maintenance Data System Central Database (IMDS CDB) of changes in due-out status?

The output that notifies the Integrated Maintenance Data System Central Database (IMDS CDB) of changes in due-out status is the one associated with tracking the status of items that are on order and their requisition process. The 1SH output is specifically designed for this purpose, providing timely updates regarding the status change of items that are due out. It plays a crucial role in ensuring that the maintenance management system remains informed about supply status, which is essential for effective inventory management and operational readiness.

In the context of the other options, while MICAP refers to Mission Impaired Capability Awaiting Parts and deals with urgent supply needs, it does not specifically relate to changes in the due-out status in the manner that the 1SH output does. The Due-in output primarily focuses on items that are expected to arrive rather than changes in existing orders. A Status Update may sound relevant, but it is not the specific designation used within the material management processes for notifying changes in due-out statuses. Therefore, the identification of the specific output that operates within the guidelines of the IMDS for these notifications is what makes the correct answer the most appropriate choice.