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Critical Chain in MRO: reducing downtime

 

This video illustrates the application of the Critical Chain method in the MRO (Maintenance, Repair & Overhaul) sector.

Christian Schan, senior consultant at Marris Consulting, shares his expertise in implementing this methodology, which he has successfully applied on multiple occasions.

 

The Critical Chain approach embraces uncertainty, variability, and unforeseen events during project execution.

Managing the maintenance of complex equipment, such as aircraft, trains, or ships, is akin to project management, as it involves coordinating numerous tasks. These tasks can fluctuate significantly depending on factors such as the age of the transport, operating conditions, or traffic patterns.

 

In maintenance facilities, it becomes essential to pinpoint the root causes of common issues like shortages in resources, parts, or available workspaces. From there, action plans must be developed to address these problems, and appropriate timelines need to be set accordingly.

 

Establishing a detailed task schedule early in the maintenance process is vital to minimizing the risk of unexpected "Findings" — the discovery of unforeseen issues during the maintenance cycle. In this time-sensitive environment, the goal is to advance the milestone for inspecting all potential risk areas as early as possible.

 

The Critical Chain methodology applied within the MRO industry revolves around four central pillars:

  • Dynamic task scheduling through the Critical Chain framework
  • Managing Work in Progress (WIP) 
  • Implementing the principle of "dosage"
  • Utilizing the Full Kit concept

These guiding principles extend beyond just aeronautical maintenance and can be effectively implemented across various maintenance operations, including in rail and maritime sectors.

 

When properly applied, these strategies yield swift and measurable outcomes.

For more information about the Critical Chain method

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