What constitutes a completed maintenance action in the 3-M system?

A completed maintenance action in the 3-M system is defined as when the task is performed, documented, and the parts used are accounted for. This ensures that all aspects of maintenance are recorded properly, demonstrating that the work has been done and providing a clear trail for parts and resources utilized during the maintenance process.

Recording the performance of the task is critical, as it provides an official record of maintenance that may be necessary for audits, performance tracking, and future reference. Accounting for the parts used allows for inventory management and ensures that the components necessary for the operation are available and replenished as needed. This comprehensive approach to documenting maintenance actions supports operational readiness and efficiency in managing repair parts.

The other options do not capture the full scope of what constitutes a completed maintenance action, as they either specify only part of the process or do not involve actually executing the maintenance work.