No able to find job which is deleting PSA requests in BW

Hi,

We have inventory data sources 2LIS_03_BF and 2LIS_03_UM in Process Chain. The PSA requests are deleting from this data sources on week basis.

I have checked the PSA deletion Process chain also, theses data sources are not included into it. We have found job in BW system that is deleting requests from that particular Process Chain. But in logs of that Process Chain, I am not able to find anything relevant to inventory data sources. I need to find which job/Process Chain is deleting these PSA requests.

Please help me on this.

Thanks

Aman