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Hydraulic Line Breaks - Kids On Plane Meet Skydrol  
User currently offlineScarletHarlot From Canada, joined Jul 2003, 4673 posts, RR: 56
Posted (9 years 1 month 2 days 6 hours ago) and read 4068 times:

Hey guys, there was a thread some time ago about your least favourite aviation-related fluid, if I remember correctly, and many of you stated it was Skydrol. I was perusing the NTSB database (slow Friday afternoon) and found the following report:

http://www.ntsb.gov/ntsb/brief.asp?ev_id=20050616X00793&key=1

According to the second flight attendant, she said that when the airplane was turning onto the taxiway she heard a loud "pop noise" followed by a "hiss and a lot of fluid." The cabin looked "smoky" and the fumes were "strong." The three children seated in row 3 were "soaked", and were crying and rubbing their eyes. The passengers in rows 3, 4, and 5 also had fluid on them.

From what you guys said, those passengers must have been absolutely miserable!


But that was when I ruled the world
16 replies: All unread, jump to last
 
User currently offlineDl757md From United States of America, joined May 2004, 1562 posts, RR: 16
Reply 1, posted (9 years 1 month 2 days 4 hours ago) and read 4041 times:

When a high pressure hydraulic line breaks the fluid escapes in a mist form that resembles a fog or smoke. It is very difficult to keep it out of your mouth, nose, and eyes when it is in this form. The effects of the mist are not unlike those of pepper spray. The effects last longer though as Skydrol is not at all water soluble and therefore bodily fluids don't wash it away very readily. Unless there is some mineral oil around it doesn't go away very quickly. I've heard milk works (I've never tried it) so the cabin crew could have administered milk to ease the burning. But yes, those passengers would have been quite miserable.

Dl757Md



757 Most beautiful airliner in the sky!
User currently offlineGoldenshield From United States of America, joined Jan 2001, 5970 posts, RR: 14
Reply 2, posted (9 years 1 month 2 days 4 hours ago) and read 4034 times:

Those poor kids. I feel a lawsuit coming on.


Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 3, posted (9 years 1 month 2 days ago) and read 3977 times:

Skydrol.....One can never forget the Experiences with it ever.
Poor kids,they may have had a very tough time.
regds
MEL



Think of the brighter side!
User currently offlineFDXMECH From United States of America, joined Mar 2000, 3251 posts, RR: 34
Reply 4, posted (9 years 1 month 1 day 5 hours ago) and read 3857 times:

I feel very bad for those children. That's absolutedy terrible. If you get a tiny bit of residue on your finger and it comes in contact with your lips or worse, your eyes, it's either very painful (eyes) or a very horrible taste that lingers a while. Awful enough if your a mechanic and are familiar but for a child or even an adult, I can't even comprehend.

I'm thinking on a commercial jet if the lines are even routed through the pax compartment.



You're only as good as your last departure.
User currently offlineDl757md From United States of America, joined May 2004, 1562 posts, RR: 16
Reply 5, posted (9 years 1 month 22 hours ago) and read 3788 times:

Quoting FDXMECH (Reply 4):
I'm thinking on a commercial jet if the lines are even routed through the pax compartment.

They are below the cabin floor. The problem is that if a line fails the high pressure stream of fluid coming from it can act like a saw and easily cut through cabin floor panels.



757 Most beautiful airliner in the sky!
User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 6, posted (9 years 1 month 22 hours ago) and read 3785 times:

Quoting Dl757md (Reply 5):
The problem is that if a line fails the high pressure stream of fluid coming from it can act like a saw and easily cut through cabin floor panels

I think the Fluid spray would be worse off thru the Pressurized cabin if the lines are routed thru the section.
regds
MEL



Think of the brighter side!
User currently offlineDC8FriendShip From United States of America, joined Apr 2005, 242 posts, RR: 3
Reply 7, posted (9 years 1 month 19 hours ago) and read 3770 times:

Quoting Dl757md (Reply 5):
They are below the cabin floor.

On the 146 they come in above the storage bins, then turn down. this is where the leak occurred.



Come fly the Friendly Skies of United
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13968 posts, RR: 63
Reply 8, posted (9 years 1 month 17 hours ago) and read 3745 times:

Since the BAE 146 is a high wing aircraft, the lines will have to be routed trough the cabin to e.g. the landing gear and the auxillary pumps in the lower area of the fuselage.

Jan


User currently offlineLMP737 From , joined Dec 1969, posts, RR:
Reply 9, posted (9 years 1 month 16 hours ago) and read 3730 times:

Another nice design feature on the BAE-146. Some of my co-workers are former Air Cal AMT's and they don't have very many nice things to say about it. Anyway by the sounds of it a good portion of that cabin interior is going to have to be disposed of.

Dl757md:

I've heard the milk thing before and I myself would be hesitant to use it. If that milk has any bacteria in it by putting it in your eye you might have some trouble latter on.


User currently offlineStarlionblue From Greenland, joined Feb 2004, 17003 posts, RR: 67
Reply 10, posted (9 years 1 month 15 hours ago) and read 3728 times:

Quoting LMP737 (Reply 9):
If that milk has any bacteria in it by putting it in your eye you might have some trouble latter on.

Milk tends to be pasteurized so it should be bacteriologically inert if you get it direct from the packaging.



"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineAir2gxs From , joined Dec 1969, posts, RR:
Reply 11, posted (9 years 1 month 15 hours ago) and read 3724 times:

Milk works fine, just follow it with large amounts of water.

User currently offlineVenus6971 From United States of America, joined Dec 2004, 1440 posts, RR: 0
Reply 12, posted (9 years 1 month 11 hours ago) and read 3673 times:

Goes the old saying that a leak never gets better, sounds like this will keep some lawyers gainfully employed.


I would help you but it is not in the contract
User currently offlineAvt007 From Canada, joined Jul 2000, 2132 posts, RR: 5
Reply 13, posted (9 years 4 weeks 1 day 14 hours ago) and read 3542 times:

Since the Dash8 is also high wing, it has the line coming down behind the bins and heading forward for the nose gear. Also the F28 has the main hydraulic pressure manifolds inside the fuselage- one in the lav behind the wall, and one on the opposite side in the galley area. I've seen leaks in both aircraft causing problems for the pax.

User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 14, posted (9 years 4 weeks 1 day 13 hours ago) and read 3530 times:

I wonder how the Kids would have reacted.It would have been very tough since they would not have heard of Skydrol.
They certainly wont forget this Experience.
Sad case.
regds
MEL



Think of the brighter side!
User currently offlineMD11Engineer From Germany, joined Oct 2003, 13968 posts, RR: 63
Reply 15, posted (9 years 4 weeks 1 day 12 hours ago) and read 3518 times:

Quick change and combi planes with hydraulic cargo doors also have hydraulic lines running through the cabin.

Jan


User currently offlineHAWK21M From India, joined Jan 2001, 31667 posts, RR: 56
Reply 16, posted (9 years 4 weeks 22 hours ago) and read 3409 times:

Quoting MD11Engineer (Reply 15):
Quick change and combi planes with hydraulic cargo doors also have hydraulic lines running through the cabin

The Ones on BDA/DHL B732SFs use Mineral based Fluid MIL5606 in a seperate Standalone system.

regds
MEL



Think of the brighter side!
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