What system is used to document when maintenance is required for Army equipment?

The correct choice is Maintenance Notification, as it serves the critical function of documenting when maintenance is required for Army equipment. This system is designed to ensure that any potential issues with equipment can be tracked and addressed promptly, thereby maintaining operational readiness and safety. The Maintenance Notification system allows operators and maintenance personnel to enter relevant information regarding the condition of the equipment, facilitating an organized workflow for maintenance tasks.

This systematic documentation is crucial, not only for scheduling maintenance activities but also for maintaining accurate records for audits, planning, and resource allocation. The reliability of the Army's equipment is directly tied to the effectiveness of this notification process, enabling timely interventions to enhance longevity and performance.

In contrast, the other options focus on different aspects of equipment management and operations but do not specifically address the documentation of maintenance needs. Operator Confirmation refers to the verification of operational readiness rather than maintenance notification. Performing Work Center is concerned with executing the maintenance tasks rather than documenting the need for them. Plant Maintenance might refer to general upkeep and maintenance procedures but lacks the specificity needed for documenting when maintenance is required.