Preening is normal.
Budgies are distributing the oil on their feathers when they preen which helps keep the feathers clean and in good shape.
Most budgies preen multiple times throughout the day.
Please be sure you read all of the Budgie Articles and Stickies.
The information below will help you know what to expect when she begins molting.
Thanks, great to know it is normal behavior. I have read through the stickies and articles. Sometimes it is nice to just be able to ask my specific question and not have to browse through so much info trying to get a direct answer. Hence why I enjoy the posts/forum. Thanks for having such valuable info.