If you are filing business, employment expenses, or rental > you will have to review the eligibility of what equipment you can claim and the CCA for each equipment and part.
You claim the depreciation value (capital cost allowance) of the equipment or the parts under CCA table.
You claim the money paid to repair the parts under the Maintainance expenses.
Employment Expenses: https://www.canada.ca/en/revenue-agency/services/forms-publications/publications/t4044/employment-expenses.html#P434_37138
If this is your first time filing business and you need Assist and Review help > you can add this upgraded feature on your return:
If you are using TurboTax Desktop/Download: add the Support service from the top bar
If you are using Turbotax Online: add the Live Tax Advice from the top bar
I hope this was helpful