Which document is crucial for maintaining compliance with equipment maintenance protocols?

The Maintenance Requirement Card (MRC) is essential for maintaining compliance with equipment maintenance protocols because it outlines the specific tasks that need to be performed on various equipment, including the frequency and procedures for each task. MRCs ensure that personnel follow standardized maintenance practices and that all necessary checks and services are conducted consistently, which is critical for the safety and reliability of equipment. By referring to the MRC, technicians can effectively track compliance with maintenance schedules, ensuring that equipment is adequately maintained according to established standards and regulations. This helps in sustaining operational readiness and minimizing downtime caused by equipment failures.