Qantas 72
Printed page 217. PDF page 237.
three air data inertial reference units could result in a nose-down elevator command. Procedural changes issued by Airbus On 15 October 2008, the aircraft manufacturer issued Operations Engineering Bulletin (OEB) OEB-A330-74-1, which was applicable to all A330 aircraft fOpen official document at PDF page 237ATSB AO-2008-070: In-flight upset, VH-QPA, 7 October 2008