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Old September 11th, 2015, 12:27 PM   #2141
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This is a much bigger problem than it seemed initially. I can see lots of groundings and inspections .....long inspections..... in the offing.

This issue could affect all long haul twins ...not just the 777. I simply don't think it is possible to check the affected part without taking the engine apart and x raying it. Facilities to do so exist but can they thruput fast????? The bird is around 15 years old.

Most large twins only have two engine suppliers nowadays so half the fleet could be grounded. Were this to happen on an A380 the entire fleet could be grounded as there is only one engine supplier. RR.

http://www.bbc.com/news/uk-34213996

Quote:
The most worrying aspect of this short, initial report is that it looks like the engine failure was uncontained.
If an engine breaks, the casing is designed to stop any bits of metal flying out and damaging the rest of the aircraft, including the fuel tanks and critical wiring.
Uncontained problems can be very serious.

As for the part that appears to have broken, the high-pressure compressor spool, Dr Colin Brown from the Institution of Mechanical Engineers told me that it's "most likely" to be from a "fatigue crack".
Dr Brown is an expert in fatigue crack growth in aircraft engines.
Inspectors will now be looking at how new the part was and when it was last checked.
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Old September 11th, 2015, 01:40 PM   #2142
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4 engines seem a good idea maybe ?
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Old September 11th, 2015, 02:31 PM   #2143
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I don't expect any long groundings.

That didn't happen with similar incidents before, like the Qantas A380 incident a couple of years ago.

If the issue is the penetration of the fuselage by engine part it also doesn't matter if the airplane has 2 or 4 engines. It will actually be an issue that involves all jet engined airplanes, not just wide bodies but also all 737s and A320. A grounding will have an impact on the worldwide airline industry + the worldwide economy that it would simply be too large.

The inspections of the engine type that has now been involved will have to be done before a certain deadline, the planes will only grounded afterwards.

If more structural changes will have to be made to all airlines to prevent engine parts entering the fuselage it will also be a similar arrangement. Make the required changes before a certain date, otherwise there will be a grounding.
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Old September 11th, 2015, 02:41 PM   #2144
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General Electric are sole engine supplier for all 777s.

The 777 was the original of the Heavy Twin species. It set the trend that the 787 and A350 are following.

4 Engine planes are a dinosaur species nowadays because of that and order books for them are almost empty while many are parked up idle.
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Old September 11th, 2015, 04:29 PM   #2145
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GE is the sole engine provider for the 777-300ER, 777-200LR, 777F & 777X.


The earlier 777 models also had Rolls-Royce and Pratt & Whitney engine options.

BA's fleet of 777-200ERs is mixed, this one had GE engines, but they also have many RR powered 777-200ERs.
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Old September 11th, 2015, 07:41 PM   #2146
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Quote:
Originally Posted by Momo1435 View Post
GE is the sole engine provider for the 777-300ER, 777-200LR, 777F & 777X.


The earlier 777 models also had Rolls-Royce and Pratt & Whitney engine options.

BA's fleet of 777-200ERs is mixed, this one had GE engines, but they also have many RR powered 777-200ERs.
Feel free to correct me if I'm wrong here - But from what I understand, BA's 777's with GE engines are leased , as they are a RR only Fleet.
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Old September 11th, 2015, 09:09 PM   #2147
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That's not the case from the info I can find back on the internet.

The 1st batches of the 777s where delivered with GE engines, BA was actually the launch customer for the GE90 on the 777 with the 1st delivery in 1991. After BA converted a part of their 747-400 order to the 777-200 in they chose the RR as they already had a deal with RR for the 747s. The 1st delivery of the RR 777s took place in 1998. In total BA ordered 29 GE powered 777-200 & 200ERs and 20 RR powered 777-200ERs.

The problems they had with this early GE90 order was also the reason why the relationship between BA and GE cooled down significantly.

Willie Walsh, chief executive of IAG recently said that the poor relationship with GE was the reason why BA didn't order the 747-8 to replace the 747-400s. This is probably also the reason why BA didn't order more 777-300ERs, which were offered by Boeing as a compensation for the 787 delays. Resulting in a slow retirement of their 747-400 fleet, which now will only replaced by a mix of 787-10s and A350-1000s.

This poor relationship is also the reason why it's not a certainty that BA will order the 777-9.
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Old September 13th, 2015, 03:14 AM   #2148
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Qatar Airways B777-300ER (A7-BAX)
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Old September 14th, 2015, 12:31 AM   #2149
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A nice video impression of the magnificient Boeing 777-300ER; ship JA782A flying between Singapore Changi and Tokyo Narita:























Here is the video:



in case the video link does not work:

https://www.youtube.com/watch?v=SO8ooOvFTCQ
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Old September 21st, 2015, 07:34 AM   #2150
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Jet Airways | Boeing 777-300ER | VT-JEH operating as 9W118 To London

Spotted By : Vinay Dumbani
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Old September 21st, 2015, 07:42 AM   #2151
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Air India plans world's longest non-stop commercial flight NEW DELHI: Air India could soon be operating the world's longest nonstop commercial flight. The airline is planning to link the IT hotspots of India and US — Bengaluru and San Francisco (SFO) — which are almost 14,000 km apart.

At present the longest nonstop commercial flight is operated by Australian airliner Qantas between Dallas Fort Worth in the US and Sydney which is a 13,730 km journey.

Next year, UAE's mega carrier Emirates will link Dubai with Panama City, a distance of 13,760 km. Avoiding the war zones of Iraq and Syria will lead to diversions that will increase the length of the journey.

"We are planning to have a nonstop from either Delhi or Bengaluru to San Francisco on our Boeing 777-200 long range aircraft. And in addition we are planning a direct service between Ahmedabad and London due to the huge demand for travel between these two cities," said a senior AI official.
Read More at >> : http://timesofindia.indiatimes.com/i...w/49038356.cms
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Old September 21st, 2015, 01:57 PM   #2152
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The only reason why Air India could fly that extremely long route between San Francisco and Bangalore is they will use a Boeing 777-200LR, which has a range of 15,800 km (8,555 nautical miles) at full pax/cargo load.
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Old September 21st, 2015, 04:24 PM   #2153
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In other words, Air India failed to sell their remaining 3 777-200LRs.
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Old September 21st, 2015, 06:01 PM   #2154
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Will the Boeing 777-200LR eventually proving their worth?
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Old September 22nd, 2015, 03:14 AM   #2155
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My flight from Kuala Lumpur to Doha
12/06/2015












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Old September 22nd, 2015, 04:51 AM   #2156
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Quote:
Originally Posted by Momo1435 View Post
In other words, Air India failed to sell their remaining 3 777-200LRs.
At First Air India was saying that they will fly their 3 B777-200LR on Domestic routes and they did but in latest news they are planning to fly them to Bengaluru or From Delhi to SFO we can hope that starting this route will help Air India because in Silicon valley there are lot of Indian people living and also their is no direct connective to India from SFO so This might help Air India Hope of Best
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Old September 22nd, 2015, 05:48 AM   #2157
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Thai Airways International B777-300ER HS-TKY


HS-TKY Thai Airways International Boeing 777-300 by Tomas Johansson, on Flickr
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Old September 25th, 2015, 08:25 AM   #2158
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Quote:
Originally Posted by patel2897 View Post
At First Air India was saying that they will fly their 3 B777-200LR on Domestic routes and they did but in latest news they are planning to fly them to Bengaluru or From Delhi to SFO we can hope that starting this route will help Air India because in Silicon valley there are lot of Indian people living and also their is no direct connective to India from SFO so This might help Air India Hope of Best
Let me put it this way:

If AI uses the 77L on domestic runs, you may risk having an oversupply of seats, especially if those aren't used during the high travel times between Delhi, Mumbai, Chennai, and Bangalore. Not to mention, the more frequent takeoffs and landings will hasten the aircraft's wear and tear since those aren't used to their fullest potential. And you might end up spending more time turning them around than flying them, causing revenue losses.

Should AI keep its word and operate Bangalore or Delhi to San Francisco, I would be more than happy to welcome it to my shore because it will signal to the Bay Area community out here that a nonstop service to India will be established, providing a key access to one of the world's biggest nations, both population- and economy-wise. And, it will finally connect two of the biggest high-tech superpowers, Bangalore and Silicon Valley, that will provide huge economic inflows to both nations.
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Old September 25th, 2015, 09:09 AM   #2159
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remember when the a380 engine exploded?

Qantas and some other airlines (Singapore Airlines??)

quickly grounded their fleet. But that was only because they have a very small number of A380s

Qantas had 6 at that time

There are over 1000 777 in service
British airways has 43 77-200ER

now way they can ground them at one go like the A380. It will bring chaos to the flights shedule
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Old September 25th, 2015, 04:33 PM   #2160
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If they do grounding then it would be a delayed groundings. The airline can bring two or three in for inspection while they use replacement aircraft and then put the inspected planes back into service and bring in two or three more until all aircraft have been checked.
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