CBR1623I SVC dump processing completed successfully.

Explanation
 The operator has entered a command of one of the
following forms:  MODIFY OAM,DUMP
MODIFY OAM,DUMP,OAM
MODIFY OAM,DUMP,ALL
MODIFY OAM,DUMP,ASID,xxxx,yyyy,zzzz,...
MODIFY OAM,DUMP,JOBN,xxxxxxxx,yyyyyyyy,zzzzzzzz,...
 An
SVC dump has been requested for the OAM address space and the specified
address spaces, job names, or address spaces that currently have work
queued in the OAM address space. The SVC dump capture phase has completed
successfully.

System action
 An SVC dump will be available in a system dump
dataset.

Source
 Object Access Method (OAM)

Routing Code
 2

Descriptor Code
 5