A single malfunctioning FAA router in rural Arkansas appears to have caused the air travel chaos that grounded all flights across the US Friday , according to a new report.

The problem originated at an FAA radio site in El Dorado, Arkansas, where a newly installed router flooded the network with excessive data traffic, disrupting communications between pilots and air traffic controllers , the Wall Street Journal reported.

“We saw two places that were actually pinging our network at a very high rate, a thousand connections over every four to five seconds,” Rebecca Guy, the FAA’s technology chief, said on Saturday.

The outage affected 17 of the…

Read the full article at NYPOST.COM