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Engine Corrosion… Prevention, Treatment & Solutions

Operating in salt-laden environments can be incredibly scenic but can also provide it’s own set of challenges, especially on a PT6A engine. In this quick article we’ll address PT6A engine corrosion with a focus on prevention, treatment and solutions.

If you’re taking off and landing within 10 miles of the sea, or your route is within 10 miles of the sea and under a certain altitude, then you are likely operating in a salt-laden environment. Salt is even present in the air while you are flying, not just over the sea, but also over land and of course if your engines are submerged. Constant diligence is necessary to avoid engine corrosion and sulphidation of hot section components. These are essential in order to maintain your engine’s value, and there are a few ways that you can do just that.

A few things you should know

  1. Corrosion Inhibitors

The use of spray-on corrosion inhibitors on external components can be helpful when applied correctly. Finding the right frequency is key, and keep in mind that magnesium components tend to be more susceptible to corrosion than aluminum. There are various products available on the market that can help you here. We recommend speaking to your shop representative that helps service your engines, for their recommendations.

  1. Engine Washes

Depending on your particular need, there are various types of engine washes that can be used.

  1. Compressor Desalination Wash
  2. Turbine Desalination Wash
  3. Performance Recovery Wash
  4. External Engine Wash

Our in-house trainer is available to answer your questions and book your training sessions. These training sessions can be one-on-one or be geared towards your entire team. There are many flexible options available to you.

  1. Perform Regular Inspections

Performing regularly scheduled inspections is vital in monitoring the condition on your components and blades. When these inspections are well documented, it can be easily determined whether the frequency of the washes is fitting. You can then decide if the frequency should be maintained, or increased. Remember that documenting your inspections is vital in helping to maintain your engine’s value!

These are just a few examples of how corrosion can be prevented and treated. Contact a member of our team for additional information or to book your virtual training session. You can also follow us on Linkedin for more articles about preventative maintenance and other helpful topics.

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