New: Southwest Investigation Focuses On Metal Fatigue In Engine Fan Section

The accident is similar to a 2016 incident on a Southwest 737 that used the same engines.

There are new details emerging about the deadly [Southwest Airlines engine…

The 737-700 uses CFM 56-7B engines manufactured by CFM International, a joint venture between GE and Safran Aircraft Engines. The original CFM 56 first ran in 1974 and has been continuously updated since then. The -7 version of the engine dates back to 1995 and is used on a large number of 737 variants. The shutdown rate of the CFM 56 is reported to be only only one for every 333,333 hours and the engines log an average of one million flight hours every eight days.

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