Originally Posted by
Dave Therhino
The EWIS requirements in 25.1707 introduced in 2007 are a red-herring in this case. While that rule is more prescriptive, 25.1309(b) effectively imposed the same requirement for adequate wire separation to prevent catastrophic events from wiring faults, and that requirement was identical for both the NG and Max programs.
So, what you say is that - if the FAA is correctly trying to get back control over the certification, and the wiring is found to be changed based on the findings - the wiring in all NG's would need to be changed as well?