1. Go to SE16 – Table RSPCVARIANT:
Specify TYPE as “PSADELETE”, FNAM as “PSATABLE”, LOW as your PSA name (/BIC/B***), Get VARIANTE field value.
2. Go to SE16 – Table RSPCCHAIN:
Specify TYPE as “PSADELETE” and VARIANTE as the value you got at the previous step.
CHAIN_ID field will give you the process chain in which PSA is marked for deletion (if there exists one).