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Author Topic: Flight AA-311 KAUS - Mar 9th 2009 & Flight AA-309 LGA - Mar 11 2009  (Read 24349 times)
kea001
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« Reply #15 on: March 12, 2009, 03:37:08 PM »

Thank you for the clarification, iskyfly.  However, the distinction might be lost on, say, Mr. Archie Bunker from Queens as he walks into Kelsey's Bar with a piece of metal sticking out of the crown of his head.  evil

                                                           ###

"Mr. Bellini’s brothers, Tom and Rick, patrolled the building’s roof on Wednesday, pointing out the heavy pieces of metal with jagged edges that had stuck into the tar surface like shark teeth. Tom Bellini said they gave officials some 200 pieces. Investigators, meanwhile, milled around the parking lot, painting small circles around spots in the asphalt where other pieces fell.

The metal fragments all came out the back of the engine, and none went through the cowling, or engine cover. No fragments hit the fuselage, officials said."

http://www.nytimes.com/2009/03/12/nyregion/12plane.html?em


« Last Edit: March 12, 2009, 04:18:46 PM by kea001 » Logged
joeyb747
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« Reply #16 on: March 12, 2009, 06:46:13 PM »

Reguarding AAL 309:
So would these parts be from the burner section? It's not a fan disc failure, witch was my first thought from what they were reporting. Has anyone identified these parts? Just curious...

The Austin Mad Dog didn't lose any parts, correct?
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joeyb747
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« Reply #17 on: March 12, 2009, 07:04:50 PM »

For those of you who have never seen or heard a compressor stall, here is a couple of Youtube vids.
On this Swissair A330, you will see the flash out of the exhaust, then hear the bangs:



This one is a B757 that ingests a small bird, resulting in several compressor stalls:

« Last Edit: March 12, 2009, 08:12:01 PM by joeyb747 » Logged

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iskyfly
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« Reply #18 on: March 12, 2009, 07:28:05 PM »

Reguarding AAL 309:
So would these parts be from the burner section? It's not a fan disc failure, witch was my first thought from what they were reporting. Has anyone identified these parts? Just curious...

Low pressure turbine blades.
Something like this;
http://machinedesign.com/article/green-technology-jets-gear-up-to-fly-greener-0619
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joeyb747
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« Reply #19 on: March 12, 2009, 08:10:50 PM »

Reguarding AAL 309:
So would these parts be from the burner section? It's not a fan disc failure, witch was my first thought from what they were reporting. Has anyone identified these parts? Just curious...

Low pressure turbine blades.
Something like this;
http://machinedesign.com/article/green-technology-jets-gear-up-to-fly-greener-0619

Yea...I thought about that right after I posted...
I was just about to dig up a diagram of the JT8D, but you beat me to it!  cool
The aft Low Pressure Turbine Section makes alot of sense.
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kea001
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« Reply #20 on: March 13, 2009, 07:34:28 PM »

RE: AA309

Maintenance Was Overdue on Jet Engine
By ANDY PASZTOR

"An American Airlines jet that suffered an engine failure and made an emergency landing Wednesday morning at New York's John F. Kennedy International Airport had a history of engine problems and hadn't received maintenance checks slated to occur days before the incident, according to people familiar with the details."


cont'd here:
http://online.wsj.com/article/SB123682601646404111.html?mod=googlenews_wsj

RE: AA-311

"Engineers determined a turbine blade failure, engine #2 needs to be replaced."

http://avherald.com/h?article=41639f29&opt=1
« Last Edit: March 13, 2009, 07:42:13 PM by kea001 » Logged
joeyb747
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« Reply #21 on: March 13, 2009, 09:42:01 PM »

So both airplanes suffered the same issue?? Low Pressure Turbine Blade Failure!!  shocked

Hmmmmmm...

So that makes three American Airlines Aircraft that have had engine issues in less then a month. I'd say somebody needs to take a look at their maintenance department!

From report on the first link:
"The emergency landing was the second time in less than a month that an American jet suffered a sudden engine failure shortly after takeoff. On Feb. 15, minutes after an American Boeing 757 left Southern California's John Wayne Airport bound for Chicago, the pilots reported serious problems with one of their two engines."

We discussed this incident in another thread...
« Last Edit: March 14, 2009, 06:47:45 AM by joeyb747 » Logged

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cessna157
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« Reply #22 on: March 14, 2009, 08:00:25 AM »

I'd be hesitant to say that the two were related.  The only things they have in common were they were in the same country, and on the same airline.  2 different aircraft types flying 2 different engine types, having engine overhauls in completely different facilities.
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kea001
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« Reply #23 on: March 14, 2009, 02:35:10 PM »

AA311 and AA309 were both MD-80's with the same engines if I'm not mistaken.
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cessna157
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« Reply #24 on: March 14, 2009, 02:42:01 PM »

Oh, nevermind.  I was thinking the 757 out in Cali from the other thread.  My mistake.

But yes, MD-80 series is junk!
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joeyb747
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« Reply #25 on: March 14, 2009, 07:00:31 PM »

Oh, nevermind.  I was thinking the 757 out in Cali from the other thread.  My mistake.

But yes, MD-80 series is junk!

Copy that on the Mad Dogs!

Yea, I was only linking the two MD-80's with the B757 as all being American Airlines equipment. wink
« Last Edit: March 14, 2009, 07:21:17 PM by joeyb747 » Logged

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kea001
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« Reply #26 on: March 14, 2009, 07:51:32 PM »

But yes, MD-80 series is junk!

Even God thinks so.....

American MD82 near Houston on Mar 13th 2009, lightning strike, hole in the fuselage

"The crew reported a hole in the left side of the fuselage near the door indicating they didn't know, whether the structural integrity of the airplane had been compromised, declared emergency.."

Aviation Herald:
http://avherald.com/h?article=416787dc&opt=1

Friday the  13th...see I told you.. evil
« Last Edit: March 14, 2009, 07:53:17 PM by kea001 » Logged
joeyb747
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« Reply #27 on: March 14, 2009, 09:48:21 PM »

WOW!!  shocked

March of 2009 has not been kind to the American Airlines MD-80 fleet! Thats three birds in one month!

Toss in the B757 from last month...not a great start to the year! I don't think I'll be flying American untill there luck changes!
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cessna157
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« Reply #28 on: March 15, 2009, 03:10:49 PM »


March of 2009 has not been kind to the American Airlines MD-80 fleet! Thats three birds in one month!

Just think back to last year when AA and DL had to ground their fleets due to AD compliance issues.


Funny story:
Was taxiing out of ORD and there was quite a line for departure.  The view was interesting with multitudes of MD80s parked at the AA hangar.  This day, C90 was being plagued with radar problems, and departures would be frequently halted for a few mins while things were sorted out.  Pilots in line were understanding of the problem, but were starting to get annoyed by the occasional departure stops. 

Somebody jumped on the freq and asked "You still having problems with your wonderful radar?"

Without missing a beat, tower came back with "You're not flying an MD80 are you?  Oh wait, that's a no."
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joeyb747
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« Reply #29 on: March 15, 2009, 07:51:44 PM »


March of 2009 has not been kind to the American Airlines MD-80 fleet! Thats three birds in one month!

Just think back to last year when AA and DL had to ground their fleets due to AD compliance issues.


It was the electrical system on the MD-80's if I'm not mistaken...

And your story is pretty amusing! grin

« Last Edit: March 15, 2009, 07:54:46 PM by joeyb747 » Logged

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