per NS support

The inbound Shipment info cannot be found in a saved search via transaction. However, the information can be found when using inbound shipment saved search.

Yeah I know...thats what we have been telling you. The records arent set up in a way you could tie back from the child transaction (PO)

understood (my brain has a backlog of M/R scripts - takes me some time to process info headbang) any suggestion how to achieve this https://netsuiteprofessionals.slack.com/archives/C2A1ZEMF0/p1535292061000100