A Reverse Engineer’s Perspective on the Boeing 787 ‘51 days’ Airworthiness Directive
Several weeks ago, international regulators announced that they were ordering Boeing 787 operators to completely shut down the plane’s electrical power whenever it had been running for 51 days without interruption.1 The FAA published an airworthiness directive elaborating on the issue, and I was curious to see what kind of details were in this document. While I eventually discovered that there wasn’t much information in the FAA directive, there was just enough to put me on track to search for the root cause of the issue. This blog post will…