in few sites we have observed that permanent faults are repeating, DRU/DTRU is going in fail mode, after a block/deblock TRU comes up..in some cases tie values are repeating, in some other cases (for a perticular sector) tie value is getting changed and repeating.
VSWR is Ok
RX path balance is OK
ICM band is OK
s/w is up-graded n down-graded from R22/R25 (R35 tried but same result)
Y link cables Swapped
There is no temperature issues observed