Transportation Secretary Gestures Vaguely at Copper Wiring to Explain Flight Grounding

Summary
Apparently the longest flight grounding since 9/11 had something to do with the switch from copper to fiber.
Description from Gizmodo.
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Transportation Secretary Gestures Vaguely at Copper Wiring to Explain Flight Grounding
Apparently the longest flight grounding since 9/11 had something to do with the switch from copper to fiber.
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