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Why Is UA 744 Stuck In HKG  
User currently offlineNorcal773 From United States of America, joined Feb 2007, 1447 posts, RR: 12
Posted (6 years 1 week 2 days 19 hours ago) and read 14422 times:

A good friend of mine just sent me an email that he's stuck in HKG on his way to LAX because the flight was cancelled even though it was at the gate. Any idea why??


If you're going through hell, keep going
31 replies: All unread, showing first 25:
 
User currently offlineLuv2fly From United States of America, joined May 2003, 12113 posts, RR: 49
Reply 1, posted (6 years 1 week 2 days 19 hours ago) and read 14261 times:
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Quoting Norcal773 (Thread starter):
A good friend of mine just sent me an email that he's stuck in HKG on his way to LAX because the flight was cancelled even though it was at the gate. Any idea why??

I would say ask UA in HKG that might be a good place to start.



You can cut the irony with a knife
User currently offlineNorcal773 From United States of America, joined Feb 2007, 1447 posts, RR: 12
Reply 2, posted (6 years 1 week 2 days 19 hours ago) and read 14217 times:

They didn't give much info other than 'technical problems, which could mean a million things. Word is a slide deployed while aircraft was sitting at the gate but that's just a rumor I guess!


If you're going through hell, keep going
User currently offlineLuv2fly From United States of America, joined May 2003, 12113 posts, RR: 49
Reply 3, posted (6 years 1 week 2 days 19 hours ago) and read 14163 times:
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Did you try UA's website and putting in the flight number to get information?


You can cut the irony with a knife
User currently offlineSwiftski From Australia, joined Dec 2006, 2701 posts, RR: 2
Reply 4, posted (6 years 1 week 2 days 17 hours ago) and read 13968 times:

A/C was ready to go but after arming doors and running safety demo, doors were disarmed and an UD slide deployed shortly later.

Pax being rebooked; tomorrow the flight is full though.


User currently offlineCharliecossie From Germany, joined Oct 2001, 479 posts, RR: 9
Reply 5, posted (6 years 1 week 2 days 16 hours ago) and read 13744 times:

Deployment of an upper deck slide limits the upper deck to a maximum of 29 occupants. It does not cause a cancellation.

User currently offlineAzncsa4qf744er From United States of America, joined Oct 2003, 692 posts, RR: 0
Reply 6, posted (6 years 1 week 2 days 16 hours ago) and read 13504 times:

UA856/21SEP is delayed until 1015/22SEP due to MECH. Flight is not cancel. Although will have a new flight number and such.....

User currently offlineWestJetYQQ From Canada, joined Jan 2007, 2987 posts, RR: 5
Reply 7, posted (6 years 1 week 2 days 16 hours ago) and read 13316 times:



Quoting Charliecossie (Reply 5):
Deployment of an upper deck slide limits the upper deck to a maximum of 29 occupants. It does not cause a cancellation.

Don't forget that for the flight to depart, the slide must first be put away and recontained. I imagine that would take a considerable amount of time; enough to cancel the flight, though they've just delayed the flight by a day or so.

Cheers
Carson



Will You Try to Change Things? Use the Power that you have, the Power of a Million new Ideas.
User currently offlineBeagleboys From Italy, joined Jun 2006, 230 posts, RR: 0
Reply 8, posted (6 years 1 week 2 days 15 hours ago) and read 13024 times:

removing the slide is simple... you have just to pull a handle, repacking can be done only by the manufacturer.


Nervous? Yes. First Times? No, I've been nervous lots of times. -Airplane!
User currently offlineBohica From United States of America, joined Feb 2004, 2705 posts, RR: 0
Reply 9, posted (6 years 1 week 2 days 15 hours ago) and read 13005 times:



Quoting WestJetYQQ (Reply 7):
Don't forget that for the flight to depart, the slide must first be put away and recontained. I imagine that would take a considerable amount of time; enough to cancel the flight, though they've just delayed the flight by a day or so.

The time it takes to install a new slide pack would probably cause the crew to time out and not be legal to fly. Therefore they would have to go back on rest for a certain amount of time before showing back at the airport.


User currently offlineChiGB1973 From United States of America, joined Mar 2004, 1616 posts, RR: 1
Reply 10, posted (6 years 1 week 2 days 10 hours ago) and read 10254 times:



Quoting Swiftski (Reply 4):
doors were disarmed and an UD slide deployed shortly later.

The upper deck exits have to be armed/disarmed?

M


User currently offlineVS239 From Hong Kong, joined Jul 2006, 75 posts, RR: 0
Reply 11, posted (6 years 1 week 2 days 9 hours ago) and read 10063 times:

From HK airport website, it left HKG this morning 22 Sept at 1013 HK time as UA 856D.


Who...me??
User currently offlineNorcal773 From United States of America, joined Feb 2007, 1447 posts, RR: 12
Reply 12, posted (6 years 1 week 2 days 9 hours ago) and read 9741 times:

According to my friend who's a frequent flyer, they got a replacement slide-pack from CX. He also mentioned that it costs $250K to replace it although I don't know where he got that information from. he also mentioned that when it imploded, it was a very loud explosion because he was sitting not too far from the door.


If you're going through hell, keep going
User currently offlineAA737-823 From United States of America, joined Mar 2000, 5844 posts, RR: 11
Reply 13, posted (6 years 1 week 2 days 5 hours ago) and read 8668 times:



Quoting ChiGB1973 (Reply 10):
The upper deck exits have to be armed/disarmed?

All exit doors with slides do... that's kind of the idea.
I'm trying to get to the thinking behind your question... I suspect you might have another question forthcoming...


User currently offlineN587NK From United States of America, joined Jun 2005, 301 posts, RR: 1
Reply 14, posted (6 years 1 week 2 days 5 hours ago) and read 8556 times:
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not all exits with slides are armed and disarmed. Some remained armed at all times and this can vary from airline to airline. If I recall correctly when I worked on L1011s certain series(I dont remember which ones) the 3L/R doors remained armed at all times. I also work with a F/A who came from Ryan International and when they had the A321s the mid cabin doors stayed armed at all times as they are just for emergency use, however at NK all doors are disarmed/armed. Policies can very from airline to airline

User currently offlineN318EA From , joined Dec 1969, posts, RR:
Reply 15, posted (6 years 1 week 1 day 22 hours ago) and read 5785 times:

I flew on all versions of 4 door L-1011's and all were armed/disarmed for every flight. Can't vouch for -500 series.

User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 16, posted (6 years 1 week 1 day 22 hours ago) and read 5759 times:



Quoting Norcal773 (Reply 12):
He also mentioned that it costs $250K to replace it although I don't know where he got that information from

Sounds about right.



"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineFlyDreamliner From United States of America, joined Jan 2006, 2759 posts, RR: 15
Reply 17, posted (6 years 1 week 1 day 21 hours ago) and read 5332 times:

Any idea why the door disarmed and the slide deployed in the first place? Is this a common failure?


"Let the world change you, and you can change the world"
User currently offlineAA737-823 From United States of America, joined Mar 2000, 5844 posts, RR: 11
Reply 18, posted (6 years 1 week 1 day 19 hours ago) and read 4597 times:



Quoting N587NK (Reply 14):
not all exits with slides are armed and disarmed.

That's the first I've heard of it. As a passenger, you can typically hear "Flight attendants disarm doors, cross-check, and standby for all-call". I would think that most carriers have had enough decades to learn that leaving ANY doors armed on the ground is recipe for expense and potential for great human injury.

I know my airline disarms all doors all the time.

Quoting FlyDreamliner (Reply 20):
Any idea why the door disarmed and the slide deployed in the first place? Is this a common failure?

Having previously worked 747-400s as a mechanic, I'm trying to figure this one out myself. You've got a knob that internally unlatches the slide release mechanism. Can't really imagine a failure whereby an unarmed door would pop a slide.. without first being opened.

Something smells fishy in Hong Kong, and it ain't the harbor...


User currently offlineCharlienorth From United States of America, joined Jun 2006, 1125 posts, RR: 5
Reply 19, posted (6 years 1 week 1 day 17 hours ago) and read 4387 times:



Quoting AA737-823 (Reply 22):

That's the first I've heard of it. As a passenger, you can typically hear "Flight attendants disarm doors, cross-check, and standby for all-call". I would think that most carriers have had enough decades to learn that leaving ANY doors armed on the ground is recipe for expense and potential for great human injury.

I know my airline disarms all doors all the time.

They must be armed when the doors are closed and prior to pushback and disarmed on arrival,the call is to disarm and crosscheck is made prior ro opening the doors, also overwing exits are normall armed at all times.


User currently offlineBigMac From Suriname, joined Nov 2003, 319 posts, RR: 9
Reply 20, posted (6 years 1 week 1 day 17 hours ago) and read 4326 times:

A couple of weeks ago I stumbled upon a slide deployment video on a KLM flight. What/when/how it happened I don't know.



[Edited 2008-09-22 12:39:40]


To fly, or not to fly: that is the question
User currently offlineUnited1 From United States of America, joined Oct 2003, 5980 posts, RR: 9
Reply 21, posted (6 years 1 week 1 day 16 hours ago) and read 4284 times:

I'm pretty sure that it is UA policy to disarm the upper deck doors on the ground, I was delayed about a year ago on a flight out of SFO because the F/A had issues arming one of the upper deck doors and a mechanic had to be called in to deal with the issue.


Semper Fi - PowerPoint makes us stupid.
User currently offlineNorcal773 From United States of America, joined Feb 2007, 1447 posts, RR: 12
Reply 22, posted (6 years 1 week 1 day 16 hours ago) and read 4242 times:



Quoting AA737-823 (Reply 22):
Having previously worked 747-400s as a mechanic, I'm trying to figure this one out myself. You've got a knob that internally unlatches the slide release mechanism. Can't really imagine a failure whereby an unarmed door would pop a slide.. without first being opened.

Something smells fishy in Hong Kong, and it ain't the harbor...

I just got off the phone with my friend who is now State-side and he kinda explained what happened. They pushed back and were taxing while watching the safety demo when someone came on the PA asking the FA's to dis-arm all doors at which time they turned around and returned to the gate. The Captain came on the PA and said there was a problem with the UD door arming and he said it would be fixed in 5 minutes. He came on again and said it would be 30 minutes and shortly after, the implosion happened and pax were de-planed. At the gate, UA said they'd move everyone on the UD downstairs and they'd be on their way soon but obviously that did not happen thus they ended up delaying the flight until the next day and pax were sent to hotels. They left at 10:15AM and arrived in SFO this morning. Kinda makes sense now.



If you're going through hell, keep going
User currently offlineCZECH380 From Czech Republic, joined Sep 2008, 45 posts, RR: 0
Reply 23, posted (6 years 1 week 1 day 4 hours ago) and read 3965 times:

I was actually on this flight yesterday. The aircraft flew from SIN-HKG-SFO. The plane had already issues in SIN, when "software" issue caused computers to show some kind of vibrations in their system as the captain explained. They switched off the engines for 5 minutes and after the communication with Chicago and London base, they were given the go-ahead. When we got to HKG we were delayed and the same aircraft was supposed to continue to SFO. However when "tech people" were checking the right upper deck door, which was showing some issues, the person apparently "accidently" deployed the emergency slide. It was a loud bang - which we heard even downstairs. The captain went onto assuring us that we might be off in an hour or so. I did not believe it with fellow three passengers, so we insisted on rebooking on another flight. Fortunately CX was flying out at 16.15, so we got to LA in time. We found out that in LA the aircraft still has not left HKG. The whole situation was handled professionally and the UA staff communicated with us well. One thing I did not appreciate though - captain telling us that we would be off in one or two hours, it was obviously not possible. UA new J class is nice, however how come it has less entertainment options than CX in Economy is beyond me.

User currently offlineNorcal773 From United States of America, joined Feb 2007, 1447 posts, RR: 12
Reply 24, posted (6 years 1 week 21 hours ago) and read 3734 times:



Quoting CZECH380 (Reply 23):

Thanks for the insight. I didn't know UA sends the 744 to SIN because I've only seen UA 777's in SIN but never a 744.

Yeah, UA entertainment system sucks for sure. It sounds like you were in J but was re-booked in Y on CX. Will UA refund you the price difference? My friend was given the same option but he declined because he didn't wanna fly Y after paying for a J ticket.



If you're going through hell, keep going
25 UAL777UK : Just intrigued. Who is in London that they would want to talk to. Surely all tech issues are through the States?
26 Hammer : If they do not get out soon--there is a typhoon going to hit HKG in the next 24 hours.
27 Post contains links Swiftski : Wakey wakey http://www.airliners.net/aviation-fo...eneral_aviation/read.main/4154335/
28 Norcal773 : They already did and the plane landed in SFO about 26 hours ago
29 AA737-823 : Perhaps I shouldn't have assumed that everyone would know that I understood this; clearly I shouldn't have. I realize that doors are armed when the c
30 CZECH380 : I thought the same thing - I thought the captain talks to the Chicago HQ or to the Boeing staff, but he informed us he was in consultation with someo
31 LAXintl : They have for ages. Matter of fact both flights used to be 744s, with the NRT only in recent years becoming a 777 UA has maintenance control center a
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