@Gargron The question would be "which one?", since most planes have something like three hydraulic systems, and all important control surfaces can be moved by more than one of them. The answer is probably hidden in that "now being towed", because it likely means that they lost the one which controls the on-ground steering; someone who knows the details of that plane model can tell by that which hydraulic system broke.
@RememberUsAlways@Gargron
APUs provide air and electricity, but no hydraulic power. Complete failures of hydraulic systems are usually leakages. That's why there is more than one hydraulic system in air transport aircraft.
@RememberUsAlways@Gargron
This is also incorrect. There are four generations (original, classic, next generation and max). They stay separate and are not being transformed to the newer version.
Boeing has sacrificed quality control for share value, leaving a real opportunity for a new leader in the airline industry. It may take years before Boeing can correct this internal culture failure.
We had a saying in the Navy. "If it's not leaking, it's not working." 😭
@Gargron The chance of this happening is so low, but the frequency of things happening with Boeing planes is going through the roof. Risk assessment of picking flights by aircraft manufacturers is suddenly on the table when flying commercial.
A group of Boeing employees are sitting on a plane getting ready for takeoff.
The pilot comes on over the intercom and says "Folks, we're pleased to have you flying with us on our brand new 737, fresh from our good friends at Boeing!"
Immediately, the Boeing employees all scramble to get out of their seats and off the plane as quickly as possible. It's utter pandemonium in the aisles as everyone starts to panic.
@Gargron Fun fact: when I was very little I thought Boeing was spelled "Boing" because that would be the sound the planes make when they crash... I eventually got smarter.
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