She was first a nominee for the DISTRICT court and was confirmed. (United States District Court for the Central District of California)
Then September 22, 2011 Obama nominated her for the U.S. Court of Appeals for the Ninth Circuit.
http://www.whitehouse.gov/the-press-office/2011/09/22/president-obama-nominates-judge-jacqueline-h-nguyen-serve-united-states-
Here's an excerpt from Wikipedia.org
Federal judicial service
On
July 31, 2009, President Barack Obama nominated Nguyen to a seat on the
United States District Court for the Central District of California, vacated when Nora Margaret Manella left the federal judiciary to join the California Courts of Appeal in 2006. Senator Dianne Feinstein had recommended Nguyen's nomination.[6] On September 23, Nguyen appeared before the Senate Judiciary Committee, which reported her nomination on October 15.
On December 1, 2009, the full United States Senate voted 97-0 to confirm Nguyen.
On
September 22, 2011, Barack Obama nominated Nguyen to the
United States Court of Appeals for the Ninth Circuit. She is the first U.S. district judge appointed by President Obama who was later nominated to a higher level federal judgeship by the same president. She is also the first Vietnamese-American Article III judge in the history of the United States, and the first Asian-Pacific American female Article III judge in California history.
The Senate
confirmed Nguyen to the Ninth Circuit in a 91-3 vote on May 7, 2012. She currently is awaiting her judicial commission for the Ninth Circuit judgeship.
http://en.wikipedia.org/wiki/Jacqueline_Nguyen