Created Monday, Mar 27th 2023 14:39Z, last updated Monday, Mar 27th 2023 14:39Z
A Swiss International Airlines Airbus A340-300, registration HB-JMI performing flight
LX-8 from Zurich (Switzerland) to Chicago O'Hare,IL (USA), was climbing out of Zurich's runway 34 when the crew stopped the climb at FL120 to troubleshoot a problem, subsequently indicated they needed to dump fuel and return to Zurich. The aircraft climbed to FL170, the crew advised they had a hydraulic problem and needed to stop on the runway after landing due to no nosewheel steering available. The aircraft dumped fuel at FL170 and positioned for an approach to runway 34, where the aircraft landed without further incident. The aircraft stopped on the runway. Emergency services reported seeing no leaks. The aircraft was towed off the runway.
According to information The Aviation Herald received the aircraft suffered a leak on the green hydraulic system resulting in dropping green hydraulic fluid quantity indications followed by a low hydraulic fluid level warning and a low pressure indication for the green hydraulic system. Apart from the loss of nose wheel steering thrust reversers #1 and #4 (outboard left and outboard right) suffered a fault on landing, too.
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