Also, make sure you are using Schedule D (Form 1041) as there is another Schedule D for Form 1040.
See https://www.irs.gov/pub/irs-pdf/f1041sd.pdf
Note that the $3,000 loss limitation is not applicable since this is the final return and you are distributing the loss to the beneficiaries.
You would use Line 11 (with a D code) on the K-1s.
