FADEC...e for engine, or electronic?
FAA definitions.
e. Electronic Engine Control (EEC) System. The EEC system is the generic family of electrical/electronic engine control systems, including full authority digital engine controls, supervisory controls, and derivatives of these.
j. Full Authority Digital Engine Control (FADEC). FADEC is a control system in which the primary functions are provided electronically and the electronic unit has full-range authority over the engine power or thrust. FADEC systems have been certificated that employ either two identical channels to provide full-operational capability after failure of one channel or a single channel with a simplified electronic or hydromechanical back-up to provide an alternate operating mode.
https://www.faa.gov/documentLibrary/...ar/33.28-1.pdf