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Boeing 757 Plane Inspections To Be Ordered By FAA  
User currently offlineKarlB737 From United States of America, joined Mar 2004, 3105 posts, RR: 10
Posted (3 years 8 months 2 weeks 5 days 4 hours ago) and read 18834 times:

Due to a hole that came into being on an American B757 on October 26th and a crack in a United-Continental B757 on Sept. 11th an inspection of all 757s is coming. This will include all passenger and cargo operators in the United States. I hope there isn't a serious issue here as the 757 is one of my favorite aircraft to travel on as it is with many of you.

Courtesy: Bloomberg News

Boeing 757 Plane Inspections To Be Ordered By FAA

http://www.bloomberg.com/news/2011-0...-be-ordered-by-faa.html?cmpid=yhoo

16 replies: All unread, jump to last
 
User currently offlinehiflyer From United States of America, joined Nov 2004, 2172 posts, RR: 3
Reply 1, posted (3 years 8 months 2 weeks 5 days 4 hours ago) and read 18777 times:

I know that old UA has been at this already for months and should be more than half done....they were not waiting. Not a clue on other carriers.

User currently onlineSEPilot From United States of America, joined Dec 2006, 6910 posts, RR: 46
Reply 2, posted (3 years 8 months 2 weeks 5 days 3 hours ago) and read 18590 times:

This is something that happens occasionally; it is highly unlikely that it is anything with serious long-term implications. There is apparently a weakness in the design; but by having regular inspections they should be able to catch any others before they progress to the point of decompression as happened on the AA flight.


The problem with making things foolproof is that fools are so doggone ingenious...Dan Keebler
User currently offlineAA737-823 From United States of America, joined Mar 2000, 5831 posts, RR: 11
Reply 3, posted (3 years 8 months 2 weeks 5 days 2 hours ago) and read 18174 times:

Quoting KarlB737 (Thread starter):
United-Continental B757

So which was it? United or Continental?

I'm glad they're moving forward with a SB/SL/AD, but I'm really not that worried: 1050 in service, some of them for going on 30 years, and just a couple of incidents. So yeah, check 'em out, but there's no reason to take the 757 off of your 'favorite flyer' list.


User currently offlinedrerx7 From United States of America, joined Jun 2000, 5192 posts, RR: 8
Reply 4, posted (3 years 8 months 2 weeks 5 days 2 hours ago) and read 18037 times:

It was United




.



Third Coast born, means I'm Texas raised
User currently offlineboeing767mech From United States of America, joined Dec 2000, 1027 posts, RR: 3
Reply 5, posted (3 years 8 months 2 weeks 5 days ago) and read 17307 times:

Quoting hiflyer (Reply 1):
I know that old UA has been at this already for months and should be more than half done....they were not waiting. Not a clue on other carriers.

We finished the first round of inspections on AAL of our airplanes, This inspection is due every 300 cycles so we will be at it again in about 6 months, for the next round.

David



Never under-estimate the predictably of stupidty
User currently offlineBA From United States of America, joined May 2000, 11153 posts, RR: 58
Reply 6, posted (3 years 8 months 2 weeks 4 days 18 hours ago) and read 13675 times:

What's the 757-200CB mentioned in the article?


"Generosity is giving more than you can, and pride is taking less than you need." - Khalil Gibran
User currently offlineindcwby From United States of America, joined Dec 2010, 135 posts, RR: 0
Reply 7, posted (3 years 8 months 2 weeks 4 days 9 hours ago) and read 10012 times:

Can anyone comment on the crazy flexing the fuselage does during when hitting turbulence? You don't know how many times I've seen my seat go down while the seat up front goes up like were on a wave. I'm sure its the same effect on other planes as well, but never seen it more pronounced except on the 757. Especially the 757-3. I mean such constant flex would cause fatigue, would it not?

User currently offlineB6JFKH81 From United States of America, joined Mar 2006, 2891 posts, RR: 7
Reply 8, posted (3 years 8 months 2 weeks 4 days 8 hours ago) and read 8916 times:

Quoting indcwby (Reply 7):
I'm sure its the same effect on other planes as well, but never seen it more pronounced except on the 757.

The A346 also has significant flex.



"If you do not learn from history, you are doomed to repeat it"
User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 9, posted (3 years 8 months 2 weeks 4 days 8 hours ago) and read 8677 times:

Quoting KarlB737 (Thread starter):
I hope there isn't a serious issue here as the 757 is one of my favorite aircraft to travel on as it is with many of you.

These Alerts come out all the time and more then 95% of the time the general public never hears about it.



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently onlineKELPkid From United States of America, joined Nov 2005, 6392 posts, RR: 3
Reply 10, posted (3 years 8 months 2 weeks 4 days 5 hours ago) and read 7340 times:

I wonder if they are looking for fatigue in places where the fuselage skin has been chemically "milled", just like the 737 classics    I would also be curious to know if the Unitanental bird had the problem in the same area of the fuselage as the AA bird that had a rapid depressurizaiton.


Celebrating the birth of KELPkidJR on August 5, 2009 :-)
User currently offlineN14AZ From Germany, joined Feb 2007, 2715 posts, RR: 25
Reply 11, posted (3 years 8 months 2 weeks 4 days 5 hours ago) and read 7054 times:

This remembers me a littlebit about the middle of the eighties, when there were a series of similiar cases on 727s and 737s, the most well-known case being of course the Hawaiian B 737-cabrio.

[Edited 2011-01-08 11:18:54]

User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 79
Reply 12, posted (3 years 8 months 2 weeks 4 days 4 hours ago) and read 6671 times:

Quoting BA (Reply 6):
I'm sure its the same effect on other planes as well, but never seen it more pronounced except on the 757. Especially the 757-3.

It happens on any long-thin fuselage...CRJ1000, 757-300, A340-600 are all more prone to this than most.

Quoting BA (Reply 6):
I mean such constant flex would cause fatigue, would it not?

Absolutely. *Any* tension load causes fatigue. Unless the structural engineers screw up, it's all modeled into the load profiles and tested on the fatigue test frames.

Tom.


User currently offlineAA737-823 From United States of America, joined Mar 2000, 5831 posts, RR: 11
Reply 13, posted (3 years 8 months 2 weeks 4 days 2 hours ago) and read 6053 times:

Quoting N14AZ (Reply 11):
the most well-known case being of course the Hawaiian B 737-cabrio.

That particular situation is worlds away from the 757 incidents which have occurred.
The Aloha 737 was being inspected in an unlit hangar (good grief). Further, several passengers saw the crack when boarding the aircraft.
All things get old; proper maintenance ensures that they can age safely.
The 757 incidents weren't like that at all--these fuselages did something UNexpected.


User currently offlineAesma From France, joined Nov 2009, 6669 posts, RR: 11
Reply 14, posted (3 years 8 months 2 weeks 2 days 17 hours ago) and read 5483 times:

Here is the thread about the AA incident : AAL1640 Rapid Decompression At FL310. (by airliner777 Oct 28 2010 in Civil Aviation)


New Technology is the name we give to stuff that doesn't work yet. Douglas Adams
User currently offlineDocLightning From United States of America, joined Nov 2005, 19731 posts, RR: 58
Reply 15, posted (3 years 8 months 2 weeks 2 days 17 hours ago) and read 5454 times:

Quoting indcwby (Reply 7):
Can anyone comment on the crazy flexing the fuselage does during when hitting turbulence?

Yes. If it didn't do that, it would break. Just like the wings. Flexing is how energy is absorbed.


User currently offlineN14AZ From Germany, joined Feb 2007, 2715 posts, RR: 25
Reply 16, posted (3 years 8 months 2 weeks 2 days 17 hours ago) and read 5437 times:

Quoting AA737-823 (Reply 13):
That particular situation is worlds away from the 757 incidents which have occurred.
The Aloha 737 was being inspected in an unlit hangar (good grief). Further, several passengers saw the crack when boarding the aircraft.
All things get old; proper maintenance ensures that they can age safely.
The 757 incidents weren't like that at all--these fuselages did something UNexpected.

You are right about the Aloha 737. All I wanted to say is that in the eighties there were two incidents in the United States shortly one after the other (not including the Aloha 737) were holes opened during flight.

I think one was a B 727, I remember a picture (it was even shown in the German National TV at that time) of a 727 with a silver fuselage, so eventually it was Eastern.

Haa, I just made a small google research and immediately found something - it was in 1989.

Quote:
Eastern Airlines today said an inspection of 46 older Boeing 727s found one with a three-inch fuselage crack in roughly the same spot as a tear that forced a jet to make an emergency landing Monday in Charleston, W.Va.

The plane was grounded at Boston's Logan International Airport, and late today Eastern maintenance workers here found apparent corrosion near rivets on another 727, company spokeswoman Karen Ceremsak said. She said paint was being removed from the area and no other details were available.

Source: http://www.highbeam.com/doc/1P2-1297798.html

Best regards
N14AZ


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