posted on Apr, 19 2018 @ 12:40 AM
Boeing has announced a new, and fairly serious issue with the KC-46, that without an FAA exemption allowing secondary certification will further delay
delivery. According to the release by Boeing, there is a software issue when the aircraft is taking on fuel in flight, filling the center body tank.
There are three processes that, if they fail, would allow an over pressure condition in the tank, that could result in catastrophic failure of the
Boeing says that it's extremely unlikely that the processes will fail in a condition that will allow an over pressure, but all three processes are
run through one processor in the computer. The exemption, if granted by the FAA, would give Boeing until the end of June 2019 to come up with a
permanent fix. Until it's in place, Boeing would require a third crew member in the cockpit to monitor the fueling process (in other words, a Flight