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Skymark B767 Suffers Uncontained Engine Failure  
User currently offlineDogfighter2111 From United Kingdom, joined Nov 2004, 1968 posts, RR: 1
Posted (8 years 11 months 2 days 14 hours ago) and read 3098 times:

Hey,

Just found this:

Read Full Story: http://aviation-safety.net/news/newsitem.php?id=1537

Quote:
After landing a 1.5-meter-long, 20- to 60-centimeter hole was discovered in the engine.

Now, ^ that must be unusual. What could've caused that?

Thanks
Mike

9 replies: All unread, jump to last
 
User currently offlineCloudyapple From Hong Kong, joined Jul 2005, 2454 posts, RR: 10
Reply 1, posted (8 years 11 months 2 days 13 hours ago) and read 3055 times:

A fan blade coming out at an angle.


A310/A319/20/21/A332/3/A343/6/A388/B732/5/7/8/B742/S/4/B752/B763/B772/3/W/E145/J41/MD11/83/90
User currently offlineDogfighter2111 From United Kingdom, joined Nov 2004, 1968 posts, RR: 1
Reply 2, posted (8 years 11 months 2 days 13 hours ago) and read 3008 times:

ahh, ok thanks.

Thanks
Mike


User currently offlineIkramerica From United States of America, joined May 2005, 21544 posts, RR: 59
Reply 3, posted (8 years 11 months 2 days 12 hours ago) and read 2963 times:

Quoting Dogfighter2111 (Thread starter):
Now, ^ that must be unusual. What could've caused that?

it's why fuselages are reinforced in line with the engines with a missing window, so if a blade flies off uncontained, it hits a strong part of the plane and doesn't fly through a window or something.



Of all the things to worry about... the Wookie has no pants.
User currently offlineDogfighter2111 From United Kingdom, joined Nov 2004, 1968 posts, RR: 1
Reply 4, posted (8 years 11 months 2 days 12 hours ago) and read 2944 times:

Quoting Ikramerica (Reply 3):

Therefore not causing decompression?

Thanks
Mike


User currently offlineCCA From Hong Kong, joined Oct 2002, 838 posts, RR: 14
Reply 5, posted (8 years 11 months 2 days 11 hours ago) and read 2826 times:

Here's another article with a pic.

http://mdn.mainichi-msn.co.jp/nation...news/20051202p2a00m0na016000c.html



C152 G115 TB10 CAP10 SR-22 Be76 PA-34 NDN-1T C500 A330-300 A340-300 -600 B747-200F -200SF -400 -400F -400BCF -400ERF -8F
User currently offlineDogfighter2111 From United Kingdom, joined Nov 2004, 1968 posts, RR: 1
Reply 6, posted (8 years 11 months 2 days 10 hours ago) and read 2798 times:

Quoting CCA (Reply 5):

Great, thanks. Isn't that a bit far back for a Fan Blade to cause that damage?

Thanks
Mike


User currently offlineDfwRevolution From United States of America, joined Jan 2010, 989 posts, RR: 51
Reply 7, posted (8 years 11 months 2 days 10 hours ago) and read 2736 times:

Quoting Ikramerica (Reply 3):
it's why fuselages are reinforced in line with the engines with a missing window, so if a blade flies off uncontained, it hits a strong part of the plane and doesn't fly through a window or something.

I believe you are mistaken. Missing windows are usually related to AC ducts, not engine placement. Because aircon packs are usually in the wing root area, the "missing windows" are often close to engine pylons, but not precisely aligned with anything in particular.

It's simply coincidence. If an engine failed, engineers would have no way to know if uncontained debris will strike on window or another:


View Large View Medium
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Photo © Les Rickman
View Large View Medium
Click here for bigger photo!

Photo © Gerry Stegmeier



Quoting Dogfighter2111 (Reply 4):
Therefore not causing decompression?

If the fuselage is punctured, decompression (to varying degree) will occur. Window reinforcements are designed to keep a local failure from weaking the surrounding structure. A "rip stop" if you will.

The "missing windows" however, are not localized reinforcement to protect from an engine failure.


User currently offlineDrDeke From United States of America, joined Jun 2005, 830 posts, RR: 0
Reply 8, posted (8 years 11 months 2 days 10 hours ago) and read 2723 times:

Looks to me like it would have had to have been a turbine blade. Probably the low-pressure turbine judging from that picture.

-DrDeke



If you don't want it known, don't say it on a phone.
User currently offlineMiamiair From , joined Dec 1969, posts, RR:
Reply 9, posted (8 years 11 months 2 days 10 hours ago) and read 2705 times:

Quoting DrDeke (Reply 8):
The "missing windows" however, are not localized reinforcement to protect from an engine failure.

You are correct.


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