SINR degraded on one of two antenna

Hi all
Any one can help me to know what is the issue for this case, and how solve it ?

SINR degraded on one of two antenna

If difference between port 0 and Port 1 is high ,Need to troubleshoot the RF jumpers connected from ANT0 & ANT1 with RRU port 0 & RRU port 1.

How to troubleshoot the RF jumper ? Bye the two operators Huawei and Nokia

Just send field team to do health check for site .

OK thank a lot