What is one of the main goals of gas turbine maintenance?

One of the main goals of gas turbine maintenance is to reduce the need for major corrective maintenance. This approach focuses on preventative and predictive maintenance techniques that help identify and address potential issues before they escalate into significant problems requiring extensive repairs. By staying ahead of wear and tear, operators can extend the lifespan of the gas turbine components, maintain operational efficiency, and ultimately minimize downtime and repair costs. This proactive maintenance strategy not only ensures reliable performance but also optimizes the overall operational efficiency of the turbine system.

In the context of other options, modifying engine design is typically not a direct focus of maintenance but rather a function of design engineers. Reducing the weight of the structure is more related to design and material choices than maintenance practices. Increasing emissions would contradict environmental and regulatory goals, which prioritize reducing emissions and improving efficiency.