If the fully depreciated property is no longer listed on your tax return, then enter your rental expenses as you normally would and then enter the sale under Sale of Business Property. You will need the depreciation schedule you had previously to have all of the appropriate numbers for cost and depreciation that was used.
If they assets are still listed in your TurboTax return, even though they have been fully depreciated, then complete the sale by going through each asset to indicate the sale and answer the sales questions (selling price, sales date, selling expenses, etc).
It seems you used the improvements using the Safe Harbor method as indicated in your previous post. Please review that answer for assistance with that and the sale of the property. Do not duplicate this in the sales section (do not use the cost again).
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