> Boeing is probably right From the article: "New safety rules on wiring were adopted in the aftermath of the 1998 Swiss Air 111 crash." These recommendations

> Boeing is probably right From the article: "New safety rules on wiring were adopted in the aftermath of the 1998 Swiss Air 111 crash." These recommendations were added as a result of a crash. The crash happened a bit after the 737NG started flying (AFAICS 737NG=1997), so I guess existing certified aircrafts didn't need to be modified. It does make sense for a new aircraft though.