If it was a contribution to a Roth IRA she did not need to file the 8606- so she may have to file and amended return and/or 8606. I am not sure how she filed it (where she put the information) so I do not know what the correction should be (if you know what lines she put it on, add to this thread)
Generally, after you file your return, you can change a nondeductible contribution to a traditional IRA to a deductible contribution or vice versa if you make the change within the time limit for filing Form 1040-X, Amended U.S. Individual Income Tax Return. You may also be able to make a recharacterization. If necessary, complete a new Form 8606 showing the revised information and file it with Form 1040-X.About Form 8606, Nondeductible IRAs - Internal Revenue ...
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