restore predictive maintenance notebooks

[mwunderl]

Issue #, if available: https://github.com/aws/amazon-sagemaker-examples/issues/4446

Description of changes: predictive maintenance notebooks are deleted but still referenced in use cases folder. restore notebooks with minor updates to address bugs.

Testing done: on notebook instance

Merge Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your pull request.

• [ x] I have read the CONTRIBUTING doc and adhered to the example notebook best practices
• [ na] I have updated any necessary documentation, including READMEs
• [x ] I have tested my notebook(s) and ensured it runs end-to-end
• [error ] I have linted my notebook(s) and code using black-nb -l 100 {path}/{notebook-name}.ipynb

  File "~/.local/python-3.10.13/lib/python3.10/site-packages/black_nb/cli.py", line 195, in cli
    sources = black.get_sources(
TypeError: get_sources() missing required keyword-only argument 'root'

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