Which type of maintenance is concerned with replacing or repairing defective items?

The focus of corrective maintenance is specifically on identifying and addressing failures and defects in equipment or systems. When a component is found to be faulty, corrective maintenance involves either repairing the item to restore its functionality or replacing it entirely if the damage is beyond repair. This type of maintenance is reactive in nature, meaning it occurs after a malfunction has been detected, emphasizing the need to ensure operational readiness and minimize downtime.

In contrast, preventive maintenance aims to prevent equipment failures before they occur through regular inspections and servicing. Predictive maintenance employs data analysis tools and techniques to predict when maintenance should be performed, aiming to extend the life of equipment by addressing issues before they lead to failures. Routine maintenance generally refers to scheduled tasks performed to keep equipment operating efficiently, regardless of whether defects are present. Each of these other types of maintenance serves distinct roles, but corrective maintenance is singularly focused on remediating defects when they arise.