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Mantenimiento

Corrective Maintenance

Maintenance performed after a failure or breakdown has already occurred, with the objective of restoring the equipment to functional condition. Also called reactive, breakdown, or run-to-failure maintenance. This is the most expensive maintenance strategy because: (1) the failure often causes collateral damage to adjacent components (a failed bearing can destroy a shaft, seal, and housing), (2) unplanned downtime is 3-10x more costly than planned downtime (emergency parts at premium prices, overtime labor, expedited shipping, lost production), and (3) safety risks are higher during emergency repairs under time pressure. Studies across manufacturing industries consistently show corrective maintenance costs 5-10x more per repair event than the same repair performed proactively. However, corrective maintenance is a legitimate strategy for non-critical, low-cost, redundant equipment where the cost of prevention exceeds the cost of failure (e.g., light fixtures, non-critical pumps with installed spares). Per RCM (reliability-centered maintenance) methodology, approximately 10-20% of plant assets are appropriate for run-to-failure strategy. The goal of a mature maintenance organization is to minimize corrective maintenance to <20% of total maintenance work orders through effective preventive and predictive programs.

What you need to know

  • Maintenance performed after a failure or breakdown has already occurred, with the objective of restoring the equipment to functional condition.
  • Also called reactive, breakdown, or run-to-failure maintenance.
  • This is the most expensive maintenance strategy because: (1) the failure often causes collateral damage to adjacent components (a failed bearing can destroy a shaft, seal, and housing), (2) unplanned downtime is 3-10x more costly than planned downtime (emergency parts at premium prices, overtime labor, expedited shipping, lost production), and (3) safety risks are higher during emergency repairs under time pressure.
  • Studies across manufacturing industries consistently show corrective maintenance costs 5-10x more per repair event than the same repair performed proactively.
  • However, corrective maintenance is a legitimate strategy for non-critical, low-cost, redundant equipment where the cost of prevention exceeds the cost of failure (e.g., light fixtures, non-critical pumps with installed spares).

Full definition

Corrective maintenance refers to the reactive approach to equipment upkeep, initiated only after a failure or breakdown has occurred. The primary goal is to restore machinery or systems to operational status. This maintenance strategy is often viewed as a last resort, primarily due to its associated costs and potential for collateral damage. For instance, when a bearing fails, it can lead to the destruction of interconnected components such as shafts, seals, and housings, which can exacerbate repair expenses and extend downtime. In manufacturing environments, unplanned downtime can be three to ten times more expensive than scheduled downtime, as it often necessitates emergency procurement of parts, overtime pay for workers, and expedited shipping, all of which escalate costs significantly.

Additionally, safety risks increase during corrective maintenance, particularly when repairs are conducted under tight deadlines. Workers may rush through repairs, leading to accidents or further equipment damage. Empirical studies indicate that corrective maintenance can cost five to ten times more per incident compared to proactive maintenance strategies, such as preventive maintenance (PM) and predictive maintenance (PdM). Nevertheless, corrective maintenance can be a viable strategy for equipment that is non-critical, low-cost, or redundant, where the financial implications of potential failure are less than the costs of preventive measures, such as light fixtures or non-critical pumps with spares in place.

In the context of Reliability-Centered Maintenance (RCM), it is suggested that approximately 10-20% of plant assets may be suitable for a run-to-failure strategy. This means that while corrective maintenance plays a role in some maintenance programs, the overarching goal for a mature organization should be to reduce corrective maintenance activities to below 20% of total maintenance work orders. This can be achieved through the implementation of effective preventive and predictive maintenance programs, thus improving overall operational efficiency and equipment lifespan.

What you need to know

  • What you need to know: Corrective maintenance is performed after failures, making it the most expensive maintenance strategy.
  • Unplanned downtime can cost 3-10 times more than planned downtime due to emergency repairs and lost production.
  • Studies show that corrective maintenance can be 5-10 times more costly per repair than proactive maintenance.
  • About 10-20% of plant assets are deemed suitable for a run-to-failure approach under RCM methodology.
  • The goal for mature maintenance organizations is to limit corrective maintenance to less than 20% of total maintenance work.

Industrial applications

  • 1Industrial plants often resort to corrective maintenance for non-critical equipment, such as lighting systems, where the cost of preventive measures outweighs potential failure costs.
  • 2In facilities with redundant machinery, corrective maintenance may be used for backup systems without significant impact on overall production.
  • 3Corrective maintenance is commonly applied in scenarios where equipment reliability is not mission-critical, allowing for repairs to be scheduled without immediate urgency.

Common mistakes

  • ✕Failing to conduct root cause analysis post-repair, leading to recurring failures.
  • ✕Over-relying on corrective maintenance for critical equipment, which increases risk of catastrophic failure.
  • ✕Neglecting to document corrective maintenance activities, making it difficult to track equipment history and performance.
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Pro tip

Implement a balanced maintenance strategy that incorporates preventive and predictive measures to minimize the need for costly corrective maintenance.

Suppliers of industrial maintenance in Mexico

AguascalientesVer Bandas Industriales
Ciudad JuárezVer Bandas Industriales
Ciudad de MéxicoVer Bandas Industriales
GuadalajaraVer Bandas Industriales
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