Work to replace old copper wire led to the FAA’s ground stop

Issues with a new router related to a fiber optic upgrade grounded thousands of flights on Friday. Anadolu via Getty ImagesTerrence O’Brien is the Verge’s weekend editor. He’s covered the tech industry for over 18 years and knows a thing or two about synths.At a press conference today, Transportation Secretary Sean Duffy said that Friday’s nationwide ground stop ordered by the FAA was related to work replacing outdated copper wire with a fiber optic line at a “remote FAA facility.” The secretary said that this was “routine maintenance,” rather than the result of a major modernization effort….