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December 6, 2010 12:37 PM Subscribe
posted by backseatpilot (30 comments total)
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On Friday, the Australian Transport Safety Bureau released their preliminary report
regarding the Qantas Flight 32 in-flight engine failure.
of the report reveals that the likely cause of the accident was a poorly machine counterbore on an oil "stub pipe", causing an oil leak and subsequent engine fire that caused a failure of the intermediate pressure turbine. This Wikipedia
article on turbofans provides some excellent cutaway diagrams on engine layouts.
and Rolls Royce
, the engine manufacturer, have both issued statements regarding the accident. What makes this particular incident noteworthy (as explained in this NPR piece
, which includes a snippet of the pilot's statement to the passengers) is the fact that the combined experience of the pilots and pilot observers in the cockpit likely saved the lives of everyone on board. There are some significant parallels between this accident and United Flight 232
- both planes suffered multiple system failures due to engine shrapnel entering the aircraft, and both were aided by extra pilots in the airplane.
The ATSB maintains a rolling ten-year accident occurrence
report for Australian aviation.