Any way to reach Comcast NOC instead of having another pointless truck roll?

Is there any way to reach Comcast's NOC instead of getting pointless technician visits? When I see >25% packet loss inside Comcast's network using an *inbound* mtr, Comcast always wants to send people to diagnose my cablemodem. This is a pointless waste of my time and doesn't solve the problem.

Comcast needs to look at te-9-2-ar02.area4.il.chicago.comcast.net - not my bedroom.
 
indifferent I’m in a Kafka novel
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