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787 Returns To Service, Focus Now On Other Issues  
User currently offlinesankaps From United States of America, joined Jan 2008, 2255 posts, RR: 2
Posted (1 year 4 months 5 days 17 hours ago) and read 10362 times:

The Wall Street Journal today printed excerpts from a detailed internal Boeing report on other 787 teething issues.

"The report's biggest take-away is that Dreamliners experienced problems most frequently when they were first powered up. These issues had the biggest impact on keeping the 787 from leaving on time. Those events were almost always unrelated to the jet's batteries, and they took "more time on average to clear than those detected during any other phase of flight.

The report says carriers should consider turning on the 787's lithium-ion batteries, computers and electrical system three hours prior to the first flight each day, and adding time between flights to give cockpit crews and mechanics adequate time to resolve any difficulties."

Overall though nothing too alarming or disconcerting, which is good news for Boeing and its 787 customers.

Perhaps someone can publish a link to the article, I cannot figure out a way to get the link to show since it is behind a paywall.

14 replies: All unread, jump to last
 
User currently offlineAzure From France, joined Dec 2012, 626 posts, RR: 16
Reply 1, posted (1 year 4 months 5 days 17 hours ago) and read 10086 times:

Quoting sankaps (Thread starter):
carriers should consider turning on the 787's lithium-ion batteries, computers and electrical system three hours prior to the first flight each day, and adding time between flights to give cockpit crews and mechanics adequate time to resolve any difficulties.

Nothing alarming indeed although a longer turnaround would decrease the aircraft profitability, wouldn't it?



I fly because it releases my mind from the tyranny of petty things - A. de Saint Exupery
User currently offlinesankaps From United States of America, joined Jan 2008, 2255 posts, RR: 2
Reply 2, posted (1 year 4 months 5 days 16 hours ago) and read 9949 times:

Quoting Azure (Reply 1):

Nothing alarming indeed although a longer turnaround would decrease the aircraft profitability, wouldn't it?Regards from NCE

I think it is a teething / learning curve issue, which will get resolved over time.


User currently offlineStitch From United States of America, joined Jul 2005, 31011 posts, RR: 86
Reply 3, posted (1 year 4 months 5 days 15 hours ago) and read 9564 times:
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Quoting sankaps (Thread starter):
Perhaps someone can publish a link to the article, I cannot figure out a way to get the link to show since it is behind a paywall.

You need to do a Google News search on the article's title, which is Dreamliner's Other Issues Draw Attention.



Quoting Azure (Reply 1):
Nothing alarming indeed although a longer turnaround would decrease the aircraft profitability, wouldn't it?

Boeing estimates that the issues cost airlines around $3 million and resulted in an overall reliability rating of 97.7% for the period of October-December 2012. This is said to be similar to the 777's numbers during it's first year of service.


User currently offlinesankaps From United States of America, joined Jan 2008, 2255 posts, RR: 2
Reply 4, posted (1 year 4 months 5 days 14 hours ago) and read 9530 times:

Quoting Stitch (Reply 3):
You need to do a Google News search on the article's title, which is Dreamliner's Other Issues Draw Attention.

Thanks. Let's see if this works... http://stream.wsj.com/story/latest-headlines/SS-2-63399/SS-2-235750/


User currently offlineNavigator From Sweden, joined Jul 2001, 1208 posts, RR: 14
Reply 5, posted (1 year 4 months 5 days 4 hours ago) and read 8111 times:

Quoting sankaps (Thread starter):
The report says carriers should consider turning on the 787's lithium-ion batteries, computers and electrical system three hours prior to the first flight each day, and adding time between flights to give cockpit crews and mechanics adequate time to resolve any difficulties."

Overall though nothing too alarming or disconcerting, which is good news for Boeing and its 787 customers.

Any adding time between flights is alarming for the economics. And the need to power up such a long time in advance could also be a problem...



747-400/747-200/L1011/DC-10/DC-9/DC-8/MD-80/MD90/A340/A330/A300/A310/A321/A320/A319/767/757/737/727/HS-121/CV990/CV440/S
User currently offlineJoeCanuck From Canada, joined Dec 2005, 5471 posts, RR: 30
Reply 6, posted (1 year 4 months 5 days 3 hours ago) and read 7761 times:

Quoting Navigator (Reply 5):
Any adding time between flights is alarming for the economics. And the need to power up such a long time in advance could also be a problem...

One saving grace, (to a certain degree), is that these aren't being flown by LCC's demanding 25minute turn arounds.



What the...?
User currently offlinesankaps From United States of America, joined Jan 2008, 2255 posts, RR: 2
Reply 7, posted (1 year 4 months 5 days 3 hours ago) and read 7687 times:

Quoting JoeCanuck (Reply 6):
One saving grace, (to a certain degree), is that these aren't being flown by LCC's demanding 25minute turn arounds.

But they will soon be flown by LCCs or LCC-like airlines, such as Jetstar and Thomson...


User currently offlineJRadier From Netherlands, joined Sep 2004, 4699 posts, RR: 50
Reply 8, posted (1 year 4 months 5 days 2 hours ago) and read 7166 times:

Quoting Navigator (Reply 5):
Any adding time between flights is alarming for the economics. And the need to power up such a long time in advance could also be a problem...

But if it is only power up, then short turnarounds are not a problem as the aircraft stays powered on. The way I read it, you only need to power up the aircraft earlier if it is left for a longer period of time. As such the only real cost factor is the GPU, which is what, USD150 extra? Not really a dealbreaker.



For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and ther
User currently offlineCALTECH From Poland, joined May 2007, 2245 posts, RR: 26
Reply 9, posted (1 year 4 months 4 days 22 hours ago) and read 5603 times:

Quoting JRadier (Reply 8):
But if it is only power up, then short turnarounds are not a problem as the aircraft stays powered on. The way I read it, you only need to power up the aircraft earlier if it is left for a longer period of time. As such the only real cost factor is the GPU, which is what, USD150 extra? Not really a dealbreaker.

   This member hit it. On initial powerups is where the problem lies. This is not to say that messages do not show up between turns or during flight.

[Edited 2013-05-21 05:15:59]


UNITED We Stand
User currently offlinelightsaber From United States of America, joined Jan 2005, 13138 posts, RR: 100
Reply 10, posted (1 year 4 months 4 days 22 hours ago) and read 5116 times:
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This will be addressed and is less than the issues seen with the 777. An airframe known for its smooth EIS.   

Quoting sankaps (Reply 2):
I think it is a teething / learning curve issue, which will get resolved over time.

  

Quoting sankaps (Reply 7):
But they will soon be flown by LCCs or LCC-like airlines, such as Jetstar and Thomson...

   Expect this of all mid-size and smaller airframes.

Lightsaber



Societies that achieve a critical mass of ideas achieve self sustaining growth; others stagnate.
User currently offlinebellancacf From United States of America, joined May 2011, 152 posts, RR: 0
Reply 11, posted (1 year 4 months 4 days 11 hours ago) and read 2236 times:

Just out of curiosity, does it happen now and again that a new type turns out to have unexpected personality traits in service that no one saw coming during design or testing? I sympathize with the 787 -- I don't like a rushed breakfast, either, and a bit of a lie-in beforehand is welcome, too.

User currently offlineUALWN From Andorra, joined Jun 2009, 2806 posts, RR: 2
Reply 12, posted (1 year 4 months 4 days 11 hours ago) and read 2171 times:

Wouldn't powering up the aircraft 3 hours before the first flight mean that the crew would have to be there 3 hours before their first flight? That would imply shorter effective duty times and, hence, more personnel cost for the airlines.


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User currently offlineJoeCanuck From Canada, joined Dec 2005, 5471 posts, RR: 30
Reply 13, posted (1 year 4 months 4 days 10 hours ago) and read 2146 times:

Quoting UALWN (Reply 12):

Mechanics power up planes all the time.



What the...?
User currently offlineUALWN From Andorra, joined Jun 2009, 2806 posts, RR: 2
Reply 14, posted (1 year 4 months 4 days 10 hours ago) and read 2146 times:

Quoting JoeCanuck (Reply 13):
Mechanics power up planes all the time.

Thanks. You learn something new every day...



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