What is a defining feature of rework maintenance?

Rework maintenance is characterized primarily by its focus on addressing parts repair or replacement. This type of maintenance arises when components or systems do not meet specified standards or have failed to perform as expected. The goal of rework is to restore the functionality and safety of aircraft systems by repairing or replacing defective parts, ensuring compliance with regulatory standards and operational performance requirements.

Rework typically occurs in response to findings during inspections, routine checks, or as a follow-up to troubleshooting processes. It is distinct from preventive maintenance, which instead focuses on regular maintenance activities intended to prevent future issues from arising. Rework is reactive in nature, dealing directly with identified problems rather than proactively preventing them. This emphasizes the importance of thorough inspections to identify faults that need correction before they can escalate into more significant safety hazards.

By understanding the role of rework in aircraft maintenance, you can better appreciate the critical nature of maintaining high safety and operational standards in aviation.