To find all donations made in a Friends Asking Friends event please do the following:

1. Go to Communities > Special Events > Friends Asking Friends > Kintera Thon
2. Hover over your event and click Bookkeeping
3. Click Manage Initiative Records
4. Choose "Donors" at the top of the screen
5. Either search for the donor or click Show All to see all donors

From this point you can click Edit next to the donation entry to modify information on it (where possible), or delete the record from the event.