In-flight upset - 154 km west of Learmonth, WA, 7 October 2008,

Table 29: Significant cabin communications (based on the CVR)TimeEvent0442 First pitch-down event. Second officer made a public announcement, telling allpassengers and crew to be seated and to fasten seat belts immediately.0445 Second pitch-down event.0446 Captain made public announcement, advising that the crew were dealing withflight control problems, and telling everyone to remain seated with their seatbelts fastened.0447 Second officer called the flight attendant who was seated at Left 1, and askedher to send the first officer to flight deck. The flight attendant contacted theCSM at Left 2 to pass on the request. The CSM called the second officer toadvise that the first officer was on his way.0448 First officer arrived on the flight deck, and advised that people in the cabinwere injured. Flight crew decided to make a PAN broadcast.0449 First officer made a PAN broadcast to air traffic control, advising that theaircraft had flight control computer problems and that some people wereinjured. He requested a diversion to Learmonth.0451 Second officer called the flight attendant at Left 1, asking her to obtaininformation about the injuries in the cabin. The flight attendant advised that shecould not see all of the cabin. The second officer told her not to get out of herseat but to call the mid-section to obtain more information.0452 First officer contacted air traffic control, requesting the controller to organisemedical assistance at Learmonth.0453 Off-duty CSM in rear galley called the flight deck, advising the second officerthat a flight attendant and two passengers were seriously injured. Secondofficer told the off-duty CSM to be seated with her seat belt fastened as thecrew could not guarantee that another upset would not occur. Based on theinjury information, the captain asked the first officer to declare a MAYDAY.0454 First officer made a MAYDAY broadcast to air traffic control, advising that theyhad at least one broken leg and some cases of severe lacerations.0457 CSM (at Left 2) called the flight deck, advising the second officer that therewas extensive damage to the ceiling and some injuries. Second officer advisedthe CSM that they were diverting to Learmonth. CSM stated that she wouldbrief the other cabin crew and gather further information.0500 Captain made public announcement, advising that the flight crew knew peoplewere injured. He also advised that they were diverting to Learmonth, expectingto arrive in 10 to 15 minutes, and that medical assistance would be waiting. Hetold everyone to remain seated with their seat belts fastened.0502 CSM contacted the flight deck to ask whether they should close the overheadlockers. The first officer advised her that it was safest to stay seated with seatbelts fastened. He also advised it was not an emergency landing, and that nocabin preparation was needed and no public announcement was requiredabout preparing for landing.0527 CSM made a public announcement, telling passengers to follow any directionsprovided by the crew.0527 First officer made a public announcement, advising that the aircraft would landin 3 to 4 minutes, the crew did not anticipate any further problems, and thatpassengers should listen for any crew instructions.0532 Aircraft touched down at Learmonth.- 167 -