Yes, simply go back to the input screen an there will be bars listing any 1099-R that you've posted. Select the Trashcan on the right of the one you want to delete and confirm the delete.
Select Federal
Wages & Income
Select Wages and Salaries, or Revisit
Scroll to Retirement Plans and Social Security
Select the type of income.
IRA, 401(k), Pension Plan Withdrawals (1099-R)
Social Security (SSA-1099, RRB-1099)
Canadian Registered Pension Income
At this point you can edit an existing document of [Add another 1099-R]
**Say "Thanks" by clicking the thumb icon in a post**Mark the post that answers your question by clicking on "Mark as Best Answer"