SVC 220 was being used by another product on this test LPAR. Since no one was using this LPAR to test CA Intertest batch no one notice this was a problem for a few months.
The client used the JCL below to see if the SVC was in use. Please run the JCL below which executes program CA Intertest Batch utility CAMRSVCQ to see if the SVC is available.
//QUERY EXEC PGM=CAMRSVCQ,REGION=256K
//STEPLIB DD DISP=SHR,DSN=HLQ.CAVHLOAD
//SYSPRINT DD SYSOUT=*