Delta777-XXX
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What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 11:15 am

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
 
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RE: What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 11:48 am

Once again, i think the new part will be ready(or approved by the FAA) by Nov-Dec!
 
Delta777-XXX
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RE: What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 11:53 am

okay... so what are they going to do with the planes until then?
 
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DL_Mech
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RE: What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 12:00 pm

The parked planes are getting new paint......
This plane is built to withstand anything... except a bad pilot.
 
twa
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RE: What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 12:49 pm

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
 
242
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RE: What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 3:31 pm

>>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.





 
Dalmd88
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RE: What Is Delta Doing About The 757 Problem?

Sat Jul 07, 2001 7:03 pm

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
 
XXXX10
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Has It Actually Been Grounded?

Sat Jul 07, 2001 9:12 pm

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
 
Delta777-XXX
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 2:24 am

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?
 
airlinelover
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 2:31 am

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
 
caetravlr
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 2:33 am

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
 
XFSUgimpLB41X
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 2:49 am

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.
 
DeltaSFO
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 3:18 am

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.
 
XFSUgimpLB41X
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 3:24 am

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.
 
174thfwff
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 3:42 am

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?
Brooklyn, Queens, Manhattan, Staten, Uptown, what now? Lets make it happen.
 
caetravlr
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 3:57 am

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
 
LH446
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 4:18 am

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
 
We're Nuts
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 8:27 am

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.
 
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 8:47 am

UPS has PW 2040 757's along with RR 75's.
 
We're Nuts
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 2:13 pm

I knew I forgot one. Big grin
Dear moderators: No.
 
Dalmd88
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RE: What Is Delta Doing About The 757 Problem?

Sun Jul 08, 2001 6:57 pm

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.
 
777gk
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RE: What Is Delta Doing About The 757 Problem?

Mon Jul 09, 2001 12:03 am

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.
 
Guest

RE: What Is Delta Doing About The 757 Problem?

Mon Jul 09, 2001 12:56 am

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.
 
DELTA777
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RE: What Is Delta Doing About The 757 Problem?

Mon Jul 09, 2001 1:40 am

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
 
Guest

RE: What Is Delta Doing About The 757 Problem?

Mon Jul 09, 2001 2:19 am

Delta has on their 767-400s GE CF6s.
 
PanAm747
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RE: What Is Delta Doing About The 757 Problem?

Mon Jul 09, 2001 2:20 am

Delta777-Should be GE CF680-C2
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DELTA777
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RE: What Is Delta Doing About The 757 Problem?

Mon Jul 09, 2001 5:05 am

Thanks.  Smile

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