L1Y001 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
L1R001 manifest for SAS Financial Management Studio 5.61
L1S001 manifest for SAS Financial Management JAR Files 5.61
L1T001 manifest for SAS Financial Management Data Tier 5.61
L1U001 manifest for SAS Financial Management Mid-Tier 5.61
L1V001 manifest for SAS Financial Management Query Processor 5.61
L1W001 manifest for SAS OLAP Data and Compute Server Mid-Tier for Solutions 5.61