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Author Topic: Flight AA-311 KAUS - Mar 9th 2009 & Flight AA-309 LGA - Mar 11 2009  (Read 34367 times)
kea001
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« on: March 09, 2009, 06:18:42 PM »

Reported Engine Failure

An American Airlines McDonnell Douglas MD-82, flight AA-311 from Austin,TX to Los Angeles,CA (USA) with 123 passengers and 5 crew, had to return to Austin shortly after takeoff after an engine failed with a loud bang. The airplane landed safely 9 minutes after takeoff.

from Aviation Herald:
http://avherald.com/h?article=41639f29&opt=1

http://flightaware.com/live/flight/AAL311


                                                                             ###

American Airlines jet makes emergency landing in Austin
Monday, March 9, 2009, 12:16 PM

Nicholas Di Benedetto, 28, was traveling home to San Jose with his girlfriend, Dee Summerscales, after visiting family in Austin. He was sitting next to the engine and said it was making a funny noise before takeoff. “It sounded like the little engine that could,” he said.He said shortly after takeoff he heard a loud boom, the floorboard shook and the plane dropped. “It was a bumpy landing,” he said. “It felt like being on military plane rather than a regular plane.

from Austin American-Statesman:
http://www.statesman.com/blogs/content/shared-gen/blogs/austin/blotter/entries/2009/03/09/american_airlines_jet_makes_em.html


* aal311.mp3 (547.45 KB - downloaded 1239 times.)
« Last Edit: March 11, 2009, 02:57:01 PM by kea001 » Logged
joeyb747
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« Reply #1 on: March 09, 2009, 07:06:43 PM »

Compressor stall??

Where's simcoe when we need him??  grin
« Last Edit: March 10, 2009, 09:08:31 AM by joeyb747 » Logged

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« Reply #2 on: March 09, 2009, 11:37:26 PM »

Did you catch the F/O's response when he was handed over to tower?
That famous expression, 's**t'.
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kea001
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« Reply #3 on: March 10, 2009, 07:39:08 AM »

Did you catch the F/O's response when he was handed over to tower?
That famous expression, 's**t'.

I'm half hoping someone in Austin puts it on their local news and forgets to edit it.  cheesy
« Last Edit: March 10, 2009, 07:44:23 AM by kea001 » Logged
joeyb747
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« Reply #4 on: March 10, 2009, 09:08:15 AM »

"28 35, sh*t." At the 3:40 mark.

He asked again for the tower freq just prior to that. Guess he had his hands full!  smiley
« Last Edit: March 10, 2009, 09:10:27 AM by joeyb747 » Logged

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« Reply #5 on: March 10, 2009, 01:27:58 PM »

Great Clip. Yea sounds like the FO was a little busy.
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cessna157
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« Reply #6 on: March 10, 2009, 09:11:09 PM »

"28 35, sh*t." At the 3:40 mark.

He asked again for the tower freq just prior to that. Guess he had his hands full!  smiley

Heh heh, I don't think he had his hands full too bad.  He just sounded flustered about something.

Interesting reading the news story.  As usual, the media blows it way out of proportion.  MD-80 ENGINE BLOWS UP ON TAKEOFF!!!

The crew didn't even know what it was.  There was no engine failure.  I'm pretty sure they wouldn't have been guessing what it was if the engine had shut down.
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joeyb747
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« Reply #7 on: March 11, 2009, 08:23:16 AM »

Yea...I noted that too...at the 2:45 mark he says it may have been a tire... huh

If it was a compressor stall, they should have seen that on their engine instruments...

They shut one of the engines down correct?

« Last Edit: March 11, 2009, 08:27:51 AM by joeyb747 » Logged

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kea001
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« Reply #8 on: March 11, 2009, 12:51:46 PM »

American MD83 at New York on Mar 11th 2009, uncontained engine failure

For a minute I thought it might be the same plane.

"American Airlines McDonnell Douglas MD-83, registration N971TW performing

flight AA-309

 from New York La Guardia,NY to Chicago O'Hare,IL"

"The FAA reported, that the engine failure was uncontained, debris off the engine fell on building 25-99 123rd Street in New York City's district Jamaica, Queens near College Point Boulevard. The largest section of the debris is said to be 4 feet (approx. 1 meter). Debris also feel onto a car and damaged it. The fuselage of the airplane has been pierced by the shrapnel released by the engine as well."

http://avherald.com/h?article=41650f96&opt=1
I checked for audio of the landing and couldn't find anything of interest.

                                                                   ###


If you are superstitious,  you can track AA-310 here:
http://flightaware.com/live/flight/AAL310

If you think there is a pattern here,

AA311 on March 9,
AA309 on March 11, then probably
AA307 on March 13 (Friday the 13th)

you are out of luck. AA-307 looks to be a seasonal flight that stopped flying end of January,
« Last Edit: March 11, 2009, 01:03:27 PM by kea001 » Logged
iskyfly
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« Reply #9 on: March 11, 2009, 08:12:21 PM »

[ “It was a bumpy landing,” he said. “It felt like being on military plane rather than a regular plane.
huh? huh
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iskyfly
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« Reply #10 on: March 11, 2009, 08:15:32 PM »

Compressor stall??
compressor stalls dont cause uncontained engine failures.
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kea001
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« Reply #11 on: March 11, 2009, 10:08:49 PM »

Compressor stall??
compressor stalls dont cause uncontained engine failures.


Sorry for the confusion but there are two incidents listed here.

The first one, flight AA-311, is the one joeyb747 is referring to.
 
The second one, flight AA-309, is the uncontained engine failure.
« Last Edit: March 11, 2009, 10:11:22 PM by kea001 » Logged
iskyfly
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« Reply #12 on: March 11, 2009, 10:29:55 PM »



Sorry for the confusion but there are two incidents listed here.

The first one, flight AA-311, is the one joeyb747 is referring to.
 
The second one, flight AA-309, is the uncontained engine failure.
Thanks for the clarification. Sorry, Joey.
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joeyb747
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« Reply #13 on: March 12, 2009, 06:59:36 AM »

Compressor stall??
compressor stalls dont cause uncontained engine failures.





Sorry for the confusion but there are two incidents listed here.

The first one, flight AA-311, is the one joeyb747 is referring to.
 
The second one, flight AA-309, is the uncontained engine failure.
Thanks for the clarification. Sorry, Joey.

No worries! cool
That was a joke.  cheesy
Remember simcoe? The guy with the theory that Cactus 1549 didn't hit birds? He was stuck on the Compressor stalls the airplane had previously.

Compressor stalls do cause loud bangs thou. I think the one in Austin was a contained failure. the one in New York was uncontained.
« Last Edit: March 12, 2009, 07:03:57 AM by joeyb747 » Logged

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« Reply #14 on: March 12, 2009, 03:22:14 PM »


The second one, flight AA-309, is the uncontained engine failure.
Just to be a stick in the mud, AA-309 was not an uncontained engine failure. The engine parts exited the tail pipe. Contrary to the media reports, nothing entered the fuselage. The engine casing was not compromised therefore the classification for this is "contained".

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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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« 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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« 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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