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NTSB pinpoints BA 777 engine failure to GE90’s HPC

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The British Airways Boeing 777 GE90 uncontained engine failure on a Las Vegas runway Sept. 8 occurred in the high-pressure compressor (HPC), investigators reported. The US National Transportation Safety Board’s (NTSB) second update on the engine failure, released Oct. 6, pinpointed the specific location of the failure, which sparked a fire that forced the 777’s pilots to abort a takeoff. NTSB investigators disassembled the GE90 engine at GE Aviation’s facility in Evandale, Ohio. (atwonline.com) Altro...

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wwharris
Bill Harris 3
More words on the subject here: http://www.seattletimes.com/business/boeing-aerospace/probe-of-777-engines-explosive-failure-pinpoints-its-origin/
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LoralThomas
Loral Thomas 1
This report just confirms what everyone was thinking -- now all they have to do is find out why it happened and if there is a fix to prevent it from happening again. Wouldn't want a replay at 33,000 ft.
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Ruger9X19
Ruger9X19 1
I would think it happening air would likely cause less damage than it did sitting on the runway. Mostly because there wouldn't have been a puddle of flammable fluids to destroy the airframe.
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LoralThomas
Loral Thomas 2
Tell that to Captain Al Haynes of United 232 fame. Don't think he'll agree with you!
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Ruger9X19
Ruger9X19 2
He did a spectacular job in the middle of an extremely shitty situation. However the engineering on the aircraft is so different from the lessons learned in that and other accidents that the likelihood of the 777 becoming uncontrollable is pretty small.
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Lynxboy252
Adam Smith 1
(Duplicate Squawk Submitted)

British Airways jet fire: parts from other General Electric engines examined

Updated findings released on Tuesday by the National Transportation Safety Board indicated the fire started with the engine’s spool, a key part in the high-pressure compressor that gives the plane power...

http://www.theguardian.com/world/2015/oct/07/british-airways-jet-fire-parts-from-other-general-electric-engines-examined?CMP=EMCNEWEML6619I2
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joelwiley
joel wiley 1
Material fatigue, manufacturing defect, unanticipated part lifespan, or something else? Will stay tuned
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Dubslow
Dubslow 1
How does that lead to a fire? Severed fuel or oil lines?
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Ruger9X19
Ruger9X19 1
Yes that is one issue debris from the failure likely pierced the tubes in the engine compartment. Also your hot section is still very hot and the engine still has a significant amount of fuel inside it that has yet to be burned, and since the engine is no longer turning the airflow stagnates and allows the fire to burn through engine components. In a normal situation this would be easily handled by the suppression bottles but the debris also punched holes through the wing and cowl structures allowing the suppressant to vent out of the compartment and the fluids to exit the aircraft and pool under the engine. At least this is my understanding of the situation.
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tciaa
Anthony Farley 1
(Duplicate Squawk Submitted)

NTSB issues update on British Airways engine fire at Las Vegas

The NTSB on Tuesday released an update on its ongoing investigation into the British Airways flight 2276 incident on September 8, 2015. The engine of the Boeing 777 aircraft caught fire during takeoff at McCarran International Airport, Las Vegas.

http://guyanaaviation.com/2015/10/ntsb-issues-update-on-british-airways-engine-fire-at-las-vegas/
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Ruger9X19
Ruger9X19 4
I believe it is closer to 20 million in total compensation. He oversees 260 billion in GE assets. I'm not sure I see the relevance to an engine shelling out.
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