What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On October 16, 2003, at 1706 hours EDT, an Airbus model 319, N764US, registered to U.S. Airways, inc, experienced a temporary loss of nose wheel steering and brake control while taxiing for takeoff. Visual meteorological conditions existed at the time. The part 121 scheduled flight (usaa flt 496) was bound for pittsburgh, Pennsylvania with 101 passengers and a crew of five. The airline transport rated captain and first officer were not injured. The three flight attendants fell, and two sustained minor injuries. The third flight attendant sustained a broken rib. The flight departed Tampa, Florida, on October 16, 2003, from gate F83 and returned to the gate. The crew reported they got a master warning #2 brakes nose steering and lost steering and brake control. Control returned within 10 minutes while the captain had the brakes down, resulting in a violent stop. Maintenance personnel at Tampa performed power-up tests of the brakes and steering system and found that the brake steering control unit (bscu) failed the cold reset test three times and the hot reset test twice. The number one channel would fail and the number two channel would not pick up the load. The bscu was replaced and operationally checked ok. The bscu was shipped for engineering evaluation on 10/17/03 along with the fault printout from the aircraft.
As the FAA filed it
(-23) ON OCTOBER 16, 2003, AT 1706 HOURS EDT, AN AIRBUS MODEL 319, N764US, REGISTERED TO U.S. AIRWAYS, INC, EXPERIENCED A TEMPORARY LOSS OF NOSE WHEEL STEERING AND BRAKE CONTROL WHILE TAXIING FOR TAKEOFF. VISUAL METEOROLOGICAL CONDITIONS EXISTED AT THE TIME. THE PART 121 SCHEDULED FLIGHT (USAA FLT 496) WAS BOUND FOR PITTSBURGH, PENNSYLVANIA WITH 101 PASSENGERS AND A CREW OF FIVE. THE AIRLINE TRANSPORT RATED CAPTAIN AND FIRST OFFICER WERE NOT INJURED. THE THREE FLIGHT ATTENDANTS FELL, AND TWO SUSTAINED MINOR INJURIES. THE THIRD FLIGHT ATTENDANT SUSTAINED A BROKEN RIB. THE FLIGHT DEPARTED TAMPA, FLORIDA, ON OCTOBER 16, 2003, FROM GATE F83 AND RETURNED TO THE GATE. THE CREW REPORTED THEY GOT A MASTER WARNING #2 BRAKES NOSE STEERING AND LOST STEERING AND BRAKE CONTROL. CONTROL RETURNED WITHIN 10 MINUTES WHILE THE CAPTAIN HAD THE BRAKES DOWN, RESULTING IN A VIOLENT STOP. MAINTENANCE PERSONNEL AT TAMPA PERFORMED POWER-UP TESTS OF THE BRAKES AND STEERING SYSTEM AND FOUND THAT THE BRAKE STEERING CONTROL UNIT (BSCU) FAILED THE COLD RESET TEST THREE TIMES AND THE HOT RESET TEST TWICE. THE NUMBER ONE CHANNEL WOULD FAIL AND THE NUMBER TWO CHANNEL WOULD NOT PICK UP THE LOAD. THE BSCU WAS REPLACED AND OPERATIONALLY CHECKED OK. THE BSCU WAS SHIPPED FOR ENGINEERING EVALUATION ON 10/17/03 ALONG WITH THE FAULT PRINTOUT FROM THE AIRCRAFT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.