After just less than 4 minutes, all those HEC errors look bad .....
HEC Errors (Up/Down): 10,143 / 1
They would appear to be mainly upstream also, possibly an issue with the card in the exchange ? Something is causing the downstream sync rate to be low for the reported attenuation. You say you have already tried in the test socket, and I guess with a good know working micro-filter. Next step is to push for Be to get an engineer out.