Since Jesus offered perfect and permanent propitiation, it means what was damaged is now perfectly and permanently repaired.
Hebrews: Failure to Thrive
The Hebrew Christians were not growing. Filled with feelings of doubt, tempted to go back to their old familiar ways instead of forward in faith, they were failing to thrive.
Gospel of John: A Gospel Sidebar
even though Penal Substitutionary Atonement is an important concept, maybe even a foundational one, it is not the only important word on salvation, the gospel is so, so much more.