NTSB Factual Report

On January 25, 2008, a United Airbus A320, registration N462UA, experienced multiple avionics and electrical failures, including loss of all communications, shortly after rotation while departing Newark Liberty International Airport, Newark (EWR), New Jersey. The flight returned for landing at EWR and electrical power was restored to the cockpit after landing when the flight crew selected the AC Essential Bus button. There were no injuries to the 107 passengers and crew aboard the airplane and no damage to the airplane. The airplane was operating under the provisions of 14 Code of Federal Regulations Part 121 and was a regularly scheduled passenger flight to Denver International Airport, Denver, Colorado.