This is likely due to an intentional change in OA45768.

It was never documented that z/OS would delete entries from a PASN access 
list for a deleted data space. Doing such deletion, in some cases, causes 
problems that can be dealt with only by not having done the deletion.

A program relying on the deletion behavior (and encountering "no PASN AL 
entry available") will have to be changed.

I don't recall if there was any hold information in the APAR that 
described the ramification to a program relying on the undocumented 
behavior.

Peter Relson
z/OS Core Technology Design

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