Enlarge / Southwest has dozens of 737s in storage. The airline says it hasn’t skilled the glitch described within the FAA directive. (credit score: Dylan Ashe)
The Federal Aviation Administration has ordered airways to examine the engines of their 737 airplanes after 4 reviews of “single-engine shutdowns.”
Many 737 plane have been sitting in hangars for weeks because the coronavirus pandemic suppressed demand for air journey. As airways have resumed operations, they’ve found {that a} key valve tends to get caught after weeks with out getting used. The FAA estimates that round 2,000 plane could possibly be affected.
“If this valve opens usually at takeoff energy, it might change into caught within the open place throughout flight and fail to shut when energy is decreased on the high of descent,” the FAA’s directive warns. That would lead to “an unrecoverable compressor stall and the shortcoming to restart the engine.”
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