In Situ Borescope FPI Systems (also known as Endo FPI) includes: pre and post blending operations of compressor blades and low pressure turbine blades; entire surfaces of the airfoil, not just the leading or trailing edge; inspect welds of external engine components; assist in determining if an indication seen during a routine borescope inspection is a crack, black mark, scratch or even impact damage. 

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Having the ability to perform in situ borescope FPI to determine if an indication is relevant or non-relevant, can in many instances, prevent costly engine tear downs and prevent high losses of revenue.