This document is intended for use by manufacturers of aircraft, engines and Electronic Engine Controls [EECs] as a component change process and evaluation guideline. Its purpose is to provide an effective means of managing the modification of electronic hardware.
The process defined in this document is based upon:
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an understanding of the electronic component market evolution, e.g., obsolescence;
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lessons learned from the effects caused by the introduction of electrical component changes in a service fleet environment;
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industry best practice; and
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an understanding of the applicable regulations.