the gear was down and locked when the engineers came to the back part of the aircraft the epinaut they were horrified of what they found because large sections of the horizontal stabilizer had been completely ripped off on the left hand side the outer part of the horizontal stabilizer and the outer elevator was completely gone and it had also ripped with it the hydraulic line to the actuator for the elevator which was connected to the number one hydraulic system so that's where the number one hydraulic fluid had drained out and on the right hand side there was very similar damage with the outer part of the horizontal stabilizer gone as well and only a small bit of the outer elevator still remaining the engines were in surprisingly good condition there was some minor scrubbing on the fan rotor rub strips but except for that they were reasonably intact the number four engine was once again removed and subjected to testing and this time they found some fuel feed anomalies that was likely the cause of the in-flight engine shutdown in my view this just goes to show how incredibly durable these aircraft are and how much punishment they are able to take and still continue to fly safely it's absolutely amazing in my view the conclusion of the final report was that a single engine failure had led to asymmetric trusts that asymmetric trust had been masked by the autopilot who tried to keep the aircraft wings level flying straight forward the captain had been fixating on the airspeed and failed to input any rudder to stabilize the aircraft that in turn led to a loss of control once he disconnected the autopilot and complete lot of situational awareness because both him and the first officer did not believe what they saw on their flight instrumentation this loss of situational awareness was only solved when the aircraft came out of the cloud and they got access to a natural horizon that they could use to stabilize the aircraft with interestingly enough there was no recommendations that came out of this accident but i think that there's a few things that we can still learn from it for example know your situation know your aircraft understand what it's showing you so that if you find yourself with for example an engine failure you know what to do also if you don't really understand what your automatics are doing well then disconnect and fly the aircraft manually and do so at an early opportunity then you can always engage the autopilot again once you have everything under control and also trust your instrumentation all right unless there is a failure flag or an obvious indication that the instrument is not working it's still going to be better than you and your vestibular system now if you want to see a crazy video about pilots who had to fight with their aircraft and losing control of it for over two hours well then check out the video up here it's truly amazing if you want to support me and my channel then consider becoming a patreon or maybe buying a t-shirt have an absolutely fantastic day and remember check out the airline pilot club down here it's now absolutely free
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