n4khgirl
Topic Author
Posts: 449
Joined: Sat May 22, 1999 11:46 am

B737-200 rudder

Wed Mar 10, 1999 10:48 am

Hi all,

Is it true that that the 732 has a rudder problem causing it to roll without any warning?

I was just thinking about this, because a few years back there was a USAir 732 flying from somewhere to pittsburgh, to roanoke, and it crashed on the way to pittsburgh.

See yah later,
Camille
 
L1011
Posts: 2130
Joined: Tue May 18, 1999 8:02 am

RE: B737-200 rudder

Wed Mar 10, 1999 11:54 am

Hi Camille. That was a 737-300 that crashed near Pittsburgh. The 737-200 crashed at Colorado Springs and one did an uncommanded roll at Richmond.

Bob Bradley
Richmond, VA
Fly Eastern's Golden Falcon DC-7B
 
FLY777UAL
Posts: 4830
Joined: Tue May 18, 1999 3:49 am

RE: B737-200 rudder

Wed Mar 10, 1999 1:01 pm

I thought it was US Air 737-400 at PIT. The 737-200 was UA's, and an Eastwind had an uncomm. roll at Richmond. The Metrojet -200 had an uncomm. roll, but the pilots corrected it. Later on that day (or week) a UA 737(300?) had stiff rudder pedals at SEA>
 
L1011
Posts: 2130
Joined: Tue May 18, 1999 8:02 am

RE: B737-200 rudder

Wed Mar 10, 1999 1:13 pm

According to ACAR International #9, October 1994, the USAir plane that crashed at Pittsburgh was N513AU, msn 23699, a 737-3B7.

Bob Bradley
Richmond, VA
Fly Eastern's Golden Falcon DC-7B
 
Guest

RE: B737-200 rudder

Wed Mar 10, 1999 1:27 pm

It's not just the 737-200, there have been such cases with almost all models, up to the -300/400/500.
 
Lindy
Posts: 4722
Joined: Wed May 19, 1999 10:42 pm

RE: B737-200 rudder

Wed Mar 10, 1999 3:11 pm

Now I'm confused!
One is saying it was -200, other -300, and another -400. Also I dont know any crash that had place at PIT on October. Maybe you guys talking about September 8, 1994, USAir Flight 427???? If so, it was 737-300

Rafal
BWIADCA - Nikon D100
 
Satchmo
Posts: 39
Joined: Mon Sep 05, 2005 5:25 am

RE: B737-200 rudder

Wed Mar 10, 1999 7:07 pm

Hello everybody,

There are two losses of aircraft(United 585 near Colorado Springs (737-200) and USAir 427 near Pittsburgh (737-300)) which have not been fully explained. However most experts believe that both
crashes, which claimed the life of 157 people, as well as the Eastwind and MetroJet incidents were caused by uncommanded rudder troubles due to failures in the PCU and/or yaw dumper system. Apart from that there have been hundreds of incidents where pilots reported uncommanded swings of the rudder in the 737's long carrer. All the early models had no system to limit a possible uncommanded rudder movement. Unfortunately Boeing and the FAA have been very slow and reluctant to act. This is understandable, but not acceptable and could lead to more incidents. Just imagine the millions of pounds it would cost Boeing to acknowledge that the rudder is defective and the associated changes to almost 3000 in-service aircraft. However, Boeing at least introduced some changes to new-build versions of the 737,which of course do not affect all the previous models. Don't get me wrong: I don't think the 737 is an unsafe aircraft (I just flew on one three weeks ago), but in the interest of flight safety it would be better to fully investigate the causes of this rudder phenomenon.
Satchmo
 
PB737
Posts: 24
Joined: Wed Aug 11, 1999 7:37 am

RE: B737-200 rudder

Wed Mar 10, 1999 11:18 pm

They are doing a special on this problem tonight on "Dateline" on NBC. It is
on at 7:00 Central Standard time. Should be interesting.
 
L1011
Posts: 2130
Joined: Tue May 18, 1999 8:02 am

RE: Lindy

Thu Mar 11, 1999 3:59 am

The Pittsburgh accident did not happen in October. That was the issue of ACAR International where it was detailed.

Bob Bradley
Richmond, VA
Fly Eastern's Golden Falcon DC-7B
 
Guest

RE: B737-200 rudder

Thu Mar 11, 1999 9:53 am

Camille,

For a complete and detailed explanation of the USair 737 incident at Pittsburgh, read the Airline Pilot's Association report to the FAA on the matter at:

http://airlinesafety.com/articles/alpa2.htm

It will take a while to digest the whole report but if you do, you'll be an expert on the matter.