Can I redo Line 19 on Schedule E? I cannot enter expenses on Line 19 properly. Need help with the form.

It depends. In the Step-by-Step you can choose to do the following for Schedule E, Line 19:

• TurboTax Online: In the rental activity select  'Add an expense or asset' and select 'Miscellaneous expenses' > On the screen 'Here's ... Property Info' scroll to Miscellaneous Expenses to edit and enter your description and amount
• TurboTax Desktop: In the rental activity select Update beside 'Expenses' > Continue to the screen 'Any Miscellaneous Expenses?' enter your description and amount