Go Back  PPRuNe Forums > Flight Deck Forums > Tech Log
Reload this Page >

start valve stuck open ( airbus)

Wikiposts
Search
Tech Log The very best in practical technical discussion on the web

start valve stuck open ( airbus)

Thread Tools
 
Search this Thread
 
Old 15th Dec 2008, 16:13
  #1 (permalink)  
Thread Starter
 
Join Date: Apr 2007
Location: us
Age: 44
Posts: 118
Likes: 0
Received 0 Likes on 0 Posts
start valve stuck open ( airbus)

hey,

in the starter valve stuck open, in the book it says maintenance action due.
whats is this particular maintenance action?

thanx
westinghouse is offline  
Old 15th Dec 2008, 16:14
  #2 (permalink)  
 
Join Date: Nov 2006
Location: UK
Age: 63
Posts: 37
Likes: 0
Received 0 Likes on 0 Posts
Replace the starter valve
proteus6 is offline  
Old 15th Dec 2008, 16:20
  #3 (permalink)  
 
Join Date: Mar 2006
Location: Choroni, sometimes
Posts: 1,974
Likes: 0
Received 0 Likes on 0 Posts
Replace the starter valve
Not necessarily, sorry. It CAN also mean to open the start valve manually and close it manually to get the engine running and to make that flight or even some more....

At least on my airbus.
hetfield is offline  
Old 16th Dec 2008, 00:00
  #4 (permalink)  
 
Join Date: Nov 2002
Location: uk
Posts: 257
Received 0 Likes on 0 Posts
If its stuck open then a (usually) 3/8" square drive is needed to go through the appropriate access door and shut it once the donk is self sustaining....
vs69 is offline  
Old 16th Dec 2008, 04:31
  #5 (permalink)  
 
Join Date: Jul 2005
Location: OZ
Posts: 580
Likes: 0
Received 0 Likes on 0 Posts
the starter valve stuck open, in the book it says maintenance action due.
whats is this particular maintenance action?
If its stuck open then a (usually) 3/8" square drive is needed to go through the appropriate access door and shut it once the donk is self sustaining....
A stuck open start valve all the way to idle would probably result in a start valve and a starter moter replacement.

I have on larger Buses >320... The starter valve /motor open to idle speed, and the gears came out of the starter moter and embedded themselves in the adjacent IDG requiring replacement of both. ( I wish I could find pics to display)
Bolty McBolt is offline  
Old 16th Dec 2008, 08:20
  #6 (permalink)  
 
Join Date: Mar 2006
Location: Choroni, sometimes
Posts: 1,974
Likes: 0
Received 0 Likes on 0 Posts
Yes Bolty, this CAN happen. However I see it that way

- VALVE STUCKS OPEN - start the appropiat procedure soon to avoid damage
- shut down engine
- get maintenance
- either manual valve ops or
if damage
- get another aircraft
hetfield is offline  
Old 17th Dec 2008, 11:14
  #7 (permalink)  
 
Join Date: May 2005
Location: Standing at P37
Posts: 187
Likes: 0
Received 0 Likes on 0 Posts
and the gears came out of the starter moter and embedded themselves in the adjacent IDG requiring replacement of both. ( I wish I could find pics to display)

Incident Investigation (with photos) of the starter failure that Bolty speaks of.


( I wish I could find pics to display)

You can find anything on the internet.........if you don't use it for porn!


.
Spanner Turner is offline  
Old 17th Dec 2008, 18:43
  #8 (permalink)  
 
Join Date: Dec 1998
Location: .
Posts: 2,997
Likes: 0
Received 0 Likes on 0 Posts
Cool

The second attempt was a manual start lasting 6 minutes
No wonder it failed, unless you have a tailpipe fire that you are trying to extinguish, why on earth would you have a starter engaged for 6 minutes? It doesn't say in the report why it was for so long!
spannersatcx is offline  
Old 12th Jan 2009, 07:37
  #9 (permalink)  
 
Join Date: Jul 2004
Location: North of 0
Posts: 197
Likes: 0
Received 0 Likes on 0 Posts
With regard to this particular failure, I just recently had this as a "distractor" in the simulator. During the engine start sequence we are taught not to take any action on the engine master switches until the FADEC triggers the ECAM. So, is it possible for the engine to get damaged before the "start-valve tuck open" ECAM message appears?

.
SubsonicMortal is offline  
Old 12th Jan 2009, 08:15
  #10 (permalink)  
 
Join Date: Mar 2006
Location: Choroni, sometimes
Posts: 1,974
Likes: 0
Received 0 Likes on 0 Posts
So, is it possible for the engine to get damaged before the "start-valve tuck open" ECAM message appears?
Yes, definitelly. Sparks came out of the starter air exhaust hole in the cowling ramp agent yelling, A321 .

Starter Motor collapsed no ECAM.
hetfield is offline  
Old 12th Jan 2009, 10:23
  #11 (permalink)  
 
Join Date: Jun 2008
Location: Inverted
Posts: 106
Likes: 0
Received 0 Likes on 0 Posts
If we get a faulty start valve. We {if in stock} replace the valve or we do the manual start and get to see some views at 35,000ft for the turn-around. Nice easy job to replace the start valve {A319}
cessna24 is offline  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.