Originally Posted by jrl767

the MEL is standard throughout the industry: the airframe manufacturer (e.g., Boeing) uses a lot of safety and reliability and redundancy engineering such as Failure Modes and Effects Analysis and Failure Modes, Effects, and Criticality Analysis (FMEA/FMECA) to develop the list, and the certification body (e.g., FAA) approves it

it's been a long time since I worked in Boeing Commerciall, but . . . . .