Australian Transport Safety Bureau released a preliminary report on its investigation of last month's Qantas 747-400 decompression and fuselage hole incident (ATWOnline, July 31), saying it is "evident that one passenger oxygen cylinder had sustained a sudden failure and forceful discharge of its pressurized contents into the [forward] aircraft hold, rupturing the fuselage in the vicinity of the wing-fuselage leading edge fairing." It added, "The cylinder had been propelled upward by the ...

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