The CS reps can't help you until your BBB complaint is resolved.
I may be able to at least point you in the right direction though. I'll need a little more information.
What exact equipment do you have? Make/model? Pls post your signal levels (up/down/SNR) and your error/event log. Can you tell me more about what's happening exactly? Are you on WI-Fi? Connected via ethernet? What are the lights doing on your modem when you the issues happen. What did the techs do to resolve your issue?
US/DS power level of 57/9 dBmV.
Alright, so your issue is your upstream power is maxed out. Those levels are way off. If your downstream is 9 dB, I'd expect your upstream to be in the low 40 dB range. If I was your tech I would check the levels at the side of your house. If the levels look good there, then I'd look for a problem in your house. If the problem still exists at the side of the house, then I'd check the levels at the tap. If the levels are good at the tap, then the line to the house (the drop) gets replaced. If the levels are bad at the tap, then Comcast's Maintenance department needs to take a look.
If you want to get this resolved quickly, I'd suggest you close out the BBB complaint. Then we can get a corporate employee to take a look at your account and get someone out there to fix it.
If/when you are ready to escalate the complaint, feel free to send me a private message (click my username and then private message me) and I'll ask a corporate employee to help you.
I'd like to review your concerns further. In order for me to review your account and the tickets you've had created, please verify the following information: