PlaneHunter
Topic Author
Posts: 6522
Joined: Tue Mar 14, 2006 3:17 am

Boeing, Airlines Reject FAA Plan For B737 Rudders

Wed Dec 13, 2006 3:39 pm

Reuters reports that Boeing and certain airlines are resisting an FAA proposal for closer monitoring of rudder performance on 737 aircraft.

http://www.alertnet.org/thenews/newsdesk/N12371489.htm

The manufacturer and the airlines reject the Federal Aviation Administration's plan for them to update flight data recorders to capture new information by 2008.

Airlines support extra monitoring for planes fitted with advanced recorder technology on the assembly line but oppose expensive recorder retrofits for the rest of their fleet.

"Without more data, neither the FAA nor the NTSB can definitively identify the causes of suspected uncommanded rudder events," the FAA said.



PH
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iflyswa
Posts: 98
Joined: Fri Sep 22, 2006 3:09 am

RE: Boeing, Airlines Reject FAA Plan For B737 Rudders

Wed Dec 13, 2006 5:27 pm

Apparently, deontological theory and moral idealism have no place in this industry. Aren't these executive types ever introduced to the theories of Immanuel Kant? It's a shame...

iflyswa
Opinions expressed by "iflyswa" are not those of Southwest Airlines Officers, Directors, or Employees.
 
slz396
Posts: 1883
Joined: Tue Oct 02, 2001 7:01 am

RE: Boeing, Airlines Reject FAA Plan For B737 Rudders

Wed Dec 13, 2006 5:39 pm

Quoting Iflyswa (Reply 1):
deontological theory and moral idealism have no place in this industry
Apparently not, but its not only the airlines and Boeing which are to blame, the FAA should also look to itself, because when you let planes fly which occasionally show:

Quoting PlaneHunter (Thread starter):
uncommanded rudder events
You'd need to take more action than they have been doing so far.

I realise the incident/accident rate has been low, but these uncommanded rudder events have lead to several crashes in the past already; France and the UK once grounded all Concordes because of a design weakness to its fuel tanks which led to the crash in 2000, the FAA should take example to them regardless of the number of affected planes in operation.

BTW, anybody dares to imagine the ranting on this site if an Airbus model would suffer from such a thing as uncommanded control inputs which do not have their cause determined yet????

Every so many weeks the notorious AA A300 tail brake off accident comes up again as proof of how 'bad' airbus planes are, whereas in fact the F/O gave all the inputs making the rudder swing and ultimately lead to the tail breaking off: on the 737 however we have had the problem of uncommanded rudder deflections for years, yet nobody seems to think this is totally unacceptabe....

[Edited 2006-12-13 09:47:49]
 
iflyswa
Posts: 98
Joined: Fri Sep 22, 2006 3:09 am

RE: Boeing, Airlines Reject FAA Plan For B737 Rudders

Wed Dec 13, 2006 7:24 pm

I believe the FAA has issued at least one (if not more) ADs specifically pertaining to the 737 and uncommanded rudder events, and requiring closer inspection as well as design modifications to the affected systems. The 737 is a safe and reliable airplane, but issuing an AD to retrofit the entire existing 737 fleet with the advanced recording technology is not a solution to the problem. However, identifying and addressing a potential defect necessarily requires the data and information that these recorders could provide, which is where good corporate citizenship is called into question. If airlines and the manufacturer even considered this to be a serious defect (it is, if it indeed exists), then why not retrofit just some of the 737 fleet, particularly older types? Costs would be significantly mitigated, sufficient data could be collected about the supposed defect, and a viable and worthwhile solution might then be developed.

iflyswa
Opinions expressed by "iflyswa" are not those of Southwest Airlines Officers, Directors, or Employees.
 
redflyer
Posts: 3882
Joined: Thu Feb 24, 2005 3:30 am

RE: Boeing, Airlines Reject FAA Plan For B737 Rudders

Wed Dec 13, 2006 11:16 pm

Are uncommanded rudder movements still a potential issue or were they "fixed" by a prior AD? If the issue was resolved by a prior AD, I'm not sure I understand why there is a need to retro-fit aircraft with additional monitoring. On the other hand, if there are still incidents' of uncommanded rudder movements then the FAA and airlines would be completely out of whack to not implement the recommendation.
My other home is in the sky inside my Piper Cherokee 180.
 
bennett123
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Joined: Sun Aug 15, 2004 12:49 am

RE: Boeing, Airlines Reject FAA Plan For B737 Rudders

Sat Dec 16, 2006 9:42 pm

Does this affect B737NG or just B737Classic

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