I am also frustrated by this same issue. Turbo Tax has always carried forward the straight line depreciation from previous years to my account but this year all of the numbers have disappeared on the properties. Is this a known glitch going on?
This is a known issue. Please see this TurboTax Help page and sign up to be notified when it has been addressed.
Just got an email from them acknowledging the issue and explaining a way to fix:
This issue is fixed. There are two different links for you to use, depending on whether or not you have already filed your return.
FAQs for people who have already filed their return:
FAQs for people who have not filed their return: