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Here we go again, part 3

As I've mentioned in my previous posts, my connection works flawlessly for about 6 weeks before it requires maintenance. For the past few days, upstream packet loss and T3 timeouts have returned. Looks like the cable network needs maintenance again. The items below are a representative sample from the past few days. The T3 timeouts are ongoing as recently as a few minutes ago. As always, downstream is flawless and upstream power levels are fine. The issue is clearly noise ingress on the upstream. Cox could waste money rolling a truck to my house, or they could look at my account and see that the problem has always been in the plant and never with my premises equipment, saving themselves the cost of an unnecessary tech dispatch. I wonder which one they'll do?

11/08/2020 17:18 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/08/2020 12:02 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/08/2020 10:04 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/07/2020 18:49 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/07/2020 16:43 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/07/2020 15:00 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/07/2020 11:50 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/06/2020 21:05 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/04/2020 19:01 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/04/2020 16:56 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"
11/04/2020 12:56 82000500 3 "Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=(redacted);CMTS-MAC=(redacted);CM-QOS=1.1;CM-VER=3.1;"