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What Is Delta Doing About The 757 Problem?  
User currently offlineDelta777-XXX From United States of America, joined Jun 2000, 1017 posts, RR: 8
Posted (13 years 1 month 3 weeks 4 days 5 hours ago) and read 3066 times:

With the 757s being grounded... what are they doing?

How long will it take to replace the part that is messed up? Are the 757 flights being cancelled?

Any info would be greatly appreciated!

Thanks,
Hank Big grin

26 replies: All unread, showing first 25:
 
User currently offlineJakeman747 From , joined Dec 1969, posts, RR:
Reply 1, posted (13 years 1 month 3 weeks 4 days 4 hours ago) and read 2941 times:

Once again, i think the new part will be ready(or approved by the FAA) by Nov-Dec!

User currently offlineDelta777-XXX From United States of America, joined Jun 2000, 1017 posts, RR: 8
Reply 2, posted (13 years 1 month 3 weeks 4 days 4 hours ago) and read 2914 times:

okay... so what are they going to do with the planes until then?

User currently offlineDL_Mech From United States of America, joined Feb 2000, 1937 posts, RR: 9
Reply 3, posted (13 years 1 month 3 weeks 4 days 4 hours ago) and read 2916 times:

The parked planes are getting new paint......


This plane is built to withstand anything... except a bad pilot.
User currently offlineTWA From Iran, joined Sep 2010, 0 posts, RR: 0
Reply 4, posted (13 years 1 month 3 weeks 4 days 3 hours ago) and read 2876 times:

Man, Delta has over 90 757's. This has to effect a large portion of the industry since the 757 is one of the most popular planes.

TWA


User currently offline242 From United States of America, joined Oct 2000, 498 posts, RR: 1
Reply 5, posted (13 years 1 month 3 weeks 4 days ago) and read 2838 times:

>>With the 757s being grounded... what are they doing?<<

They're doing exactly what 757s without engines do best -- nothing, except get the newest livery.

>>How long will it take to replace the part that is messed up? Are the 757 flights being cancelled?<<

I've heard rumors about all 757s being back online by the end of august, but I'm not holding my breath.

Keep in mind that the problem isn't with the airframe itself, it's the Pratt engines. The tenth stage stator vanes are proving to be the culprit, with Pratt blaming the lack of replacements on a raw materials shortage.







User currently offlineDALMD88 From United States of America, joined Jul 2000, 2543 posts, RR: 14
Reply 6, posted (13 years 1 month 3 weeks 3 days 21 hours ago) and read 2803 times:

I don't work in engine shop but we on the hangar floor were told 5-10 757 were parked at a time while the engines were routed to the shop. Pratt is developing a new cast tenth stage that will be less prone to cracking.

Right now the cracked tenth stage is being replaced by a new or repaired one. After some study it was determined the cracking occurs only during full power. As an interim fix the pilots will reduce power on climb out earlier than in the past when possible.

The Pratt 2000 engine line at Delta has done a great job reducing the downtime for a given overhaul. I've heard they have more than doubled the number of engines going through the shop every month. Pratt has been very impressed with their performance and cost. They are looking at sending a lot of work to DL once DL has repaired it's own fleet.

Many may be asking is this a saftey issue? Not really, it could have been if the problem had not been noticed early. At this point it's more of an economic issue. We have a bunch of 757 sitting not making money. Yes some are being painted but we don't have the facilties to paint every one. Most are just sitting. Hindsight is 20/20. Too bad DL didn't pay a little extra to get RR way back in the 80's


User currently offlineXXXX10 From United Kingdom, joined Jan 2000, 777 posts, RR: 0
Reply 7, posted (13 years 1 month 3 weeks 3 days 19 hours ago) and read 2789 times:

From reading this and the previous posts it soundas like only the aircraft with cracks in the stator vanes have been grounded which may not cause to much diruption I imagine they are canablising all of their spare engines.

I have only had a chance to look at the posts breifly and apologise if I've got the wrong end of the stick


User currently offlineDelta777-XXX From United States of America, joined Jun 2000, 1017 posts, RR: 8
Reply 8, posted (13 years 1 month 3 weeks 3 days 13 hours ago) and read 2751 times:

So the flights that are supposed to be flown with 757s... what is happening with them? Are the flights cancelled or are they using different planes?

User currently offlineAirlinelover From United States of America, joined Jun 2001, 5580 posts, RR: 23
Reply 9, posted (13 years 1 month 3 weeks 3 days 13 hours ago) and read 2733 times:

Is this just happening with DL 757s or with NWA and others too?


Lets do some sexy math. We add you, subtract your clothes, divide your legs and multiply
User currently offlineCAETravlr From United States of America, joined Oct 2000, 908 posts, RR: 1
Reply 10, posted (13 years 1 month 3 weeks 3 days 13 hours ago) and read 2733 times:

It sounds like the entire fleet of 757s has not been grounded. Just the ones with the most immediate need. While this is costly, it is not destroying the route structure or anything like that. Delta has dealt with similar issues in the past I am sure, and has found ways to minimize the impact, while expediting the problem resolution.


A woman drove me to drink and I didn't have the decency to thank her. - W.C. Fields
User currently offlineXFSUgimpLB41X From United States of America, joined Aug 2000, 4195 posts, RR: 37
Reply 11, posted (13 years 1 month 3 weeks 3 days 13 hours ago) and read 2725 times:

757's dont even use full thrust on departure though dont they? As far as i have seen they only use like 75% N1 for takeoff thrust... i assume this is regardless of the already pulled-back power for departure?


Chicks dig winglets.
User currently offlineDeltaSFO From United States of America, joined Nov 2000, 2488 posts, RR: 22
Reply 12, posted (13 years 1 month 3 weeks 3 days 12 hours ago) and read 2724 times:

In response to a previous question, this problem is not just a Delta Air Lines problem. All operators of Pratt & Whitney engined B757s are affected by this.


It's a new day. Every moment matters. Now, more than ever.
User currently offlineXFSUgimpLB41X From United States of America, joined Aug 2000, 4195 posts, RR: 37
Reply 13, posted (13 years 1 month 3 weeks 3 days 12 hours ago) and read 2712 times:

I looked this up- Only about 10-17 Delta 757's have been grounded. No NWA 757's have been grounded as far as i know. It is only the aircraft that have developed the cracking that are affected.


Chicks dig winglets.
User currently offline174thFWff From , joined Dec 1969, posts, RR:
Reply 14, posted (13 years 1 month 3 weeks 3 days 12 hours ago) and read 2699 times:

Has this happend to American Airlines? I am going to take a 757 from SFO to Ohare on July 22. Is this affecting American Airlines also?


User currently offlineCAETravlr From United States of America, joined Oct 2000, 908 posts, RR: 1
Reply 15, posted (13 years 1 month 3 weeks 3 days 12 hours ago) and read 2692 times:

I believe that AA uses RR engines on their 757s, correct? In this case, I don't believe they would be affected. However, I do believe that UA would be affected in a major way. I would love to know how UA is affected by this, as my fiance just worked a flight on one last night.


A woman drove me to drink and I didn't have the decency to thank her. - W.C. Fields
User currently offlineLH446 From , joined Dec 1969, posts, RR:
Reply 16, posted (13 years 1 month 3 weeks 3 days 11 hours ago) and read 2689 times:

Ok after a a call with Delta,there is some major mix up here.Continental and other airlines are being affected by this, NOT Delta.Delta has already inspected their fleet and there are no cancelations/groundings from this engine thing. Andy

User currently offlineWe're Nuts From United States of America, joined Jun 2000, 5722 posts, RR: 20
Reply 17, posted (13 years 1 month 3 weeks 3 days 7 hours ago) and read 2646 times:

The only US airlines using the PW engine on their 757's are:

Northwest
Delta
United
and TWA.

Continental
US Airways
National
America West
and American all use the RR engine.



Dear moderators: No.
User currently offlineHeavyJet From , joined Dec 1969, posts, RR:
Reply 18, posted (13 years 1 month 3 weeks 3 days 7 hours ago) and read 2637 times:

UPS has PW 2040 757's along with RR 75's.

User currently offlineWe're Nuts From United States of America, joined Jun 2000, 5722 posts, RR: 20
Reply 19, posted (13 years 1 month 3 weeks 3 days 2 hours ago) and read 2600 times:

I knew I forgot one. Big grin


Dear moderators: No.
User currently offlineDALMD88 From United States of America, joined Jul 2000, 2543 posts, RR: 14
Reply 20, posted (13 years 1 month 3 weeks 2 days 21 hours ago) and read 2587 times:

To LH446:

I don't know who you talked to but DL has been grounding planes. If you could go to work with me tonight I could show you maybe 5 airplanes sitting in front of the hangar without engines. As for what is on the ground in DFW, I don't know. We have been told by some pretty high management the numbers there are the same.

Has DL been canceling flights? Yes, no airline this size runs 100% every day. Having 10 757 grounded any given day is a scheduling headace, but it doesn't cripple the system.


User currently offline777gk From United States of America, joined Jun 2000, 1641 posts, RR: 18
Reply 21, posted (13 years 1 month 3 weeks 2 days 16 hours ago) and read 2570 times:

As far as I know, Continental is having no problems with out Rolls-Royce powered 757-224 fleet. If there is I would let you know, but so far what LH446 posted is not true.

User currently offlineTEDSKI From , joined Dec 1969, posts, RR:
Reply 22, posted (13 years 1 month 3 weeks 2 days 15 hours ago) and read 2545 times:

Friday night I was at ALB when a saw a NW 757 parked on the ramp with the cowling removed from one of it's two P&W 2000 series engines. It was unusual to see this 757 because NW only flies DC-9s into ALB from DTW. I wonder if a fan blade problem developed with one of it's engines similar to other P&W powered 757s and made an unscheduled landing in ALB.


User currently offlineDelta777 From United States of America, joined Mar 2000, 656 posts, RR: 0
Reply 23, posted (13 years 1 month 3 weeks 2 days 14 hours ago) and read 2548 times:

This really has nothing to do with this, but, what engines does Delta have on their 767-400s?

D E L T A 7 7 7


User currently offlineTEDSKI From , joined Dec 1969, posts, RR:
Reply 24, posted (13 years 1 month 3 weeks 2 days 13 hours ago) and read 2532 times:

Delta has on their 767-400s GE CF6s.

25 PanAm747 : Delta777-Should be GE CF680-C2
26 Post contains images Delta777 : Thanks. D E L T A 7 7 7
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