Electronic Engine Control Hardware Change Management
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:
an understanding of the electronic component market evolution, e.g., obsolescence;
lessons learned from the effects caused by the introduction of electrical component changes in a service fleet environment;
The reason for this guidance report on change management is to recommend procedures and practices that clarify the level of risk associated with changes to an engine control system. There are recommendations regarding the engineering processes that should accompany the various levels of change in order to keep the risk of unforeseen effects as low as is reasonably possible. Guidance is also provided on the communication amongst relevant parties.
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