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THE IRONMAN
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Another 737....
A Southwest Airlines Boeing 737-300, registration N387SW performing flight WN2294 from Nashville,TN to Baltimore,MD (USA) with 126 passengers and 5 crew, was climbing out of Nashville through FL340 about 24 minutes into the flight, when a hole of about 30cm by 30cm (1 foot by 1 foot) opened in the cabine ceiling just before the root of the vertical tail. The cabin pressure was suddenly lost, oxygen masks deployed and the crew initiated an emergency descent reaching 11000 feet 6 minutes later. The crew decided to divert to Charleston's Yeager Airport,WV , where the airplane landed safely 20 minutes later. No injuries occured.
A replacement Boeing 737-700 registration N715SW resumed the flight and reached Baltimore with a delay of 3.5 hours. The FAA and NTSB are investigating. 
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-14-2009, 03:33 AM
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Did you get the memo?
Join Date: Mar 2003
Location: Wichita, KS
Posts: 32,353
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I bet that made one hell of a noise.
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‘07 Mazda RX8-8 Past: 911T, 911SC, Carrera, 951s, 955, 996s, 987s, 986s, 997s, BMW 5x, C36, C63, XJR, S8, Maserati Coupe, GT500, etc |
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07-14-2009, 04:10 AM
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,943
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And did wonders on the ears when the pressurization headed South...
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2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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07-14-2009, 04:56 AM
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Too big to fail
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Looks like the rare "sunroof" option.
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"You go to the track with the Porsche you have, not the Porsche you wish you had." '03 E46 M3 '57 356A Various VWs |
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07-14-2009, 05:08 AM
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Sultan of Sawzall
Join Date: Oct 2004
Location: Louisiana "Take me to 'da bridge"
Posts: 4,806
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Quote:
HERE'S the "sunroof 737": 
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Gruppe B #319 2 '86 911 Carrera coupes (red & white) '66 Corsa convertible 140/4(red) '66 Monza coupe 110/PG(white) '95 993 cabriolet (wife's) |
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07-14-2009, 07:33 AM
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Registered
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Quote:
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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07-14-2009, 07:42 AM
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THE IRONMAN
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A good link on the famous 737 rudder PCA system...
http://www.airlinesafety.com/faq/B-737Rudder.htm
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-14-2009, 07:55 AM
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Used to be Singpilot...
Join Date: Oct 2006
Location: Sioux Falls, SD is what the reg says on the bus.
Posts: 1,867
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As I remember, there's an antenna mounted there. (or was).
EDIT: Checked the docs, and nope, no antennas there. Scuttlebutt is the 'rip-stop' design on fuselage skin panels did it's job. Redesign after Aloha, to include no more 'cold-bonded' skin panels. SWA usually has some of the highest cycle airframes in the industry, and this one will get well looked at. Last edited by fingpilot; 07-14-2009 at 09:50 AM.. |
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07-14-2009, 09:10 AM
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THE IRONMAN
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Quote:
Early Boeing 737's were manufactured using a cold structural adhesive bonding process to attach internal doublers to the fuselage skin and to supplement rivets at the skin lap splices. The doublers carry loads and perform a fail-safe tear-stopping function. Failures of the adhesive bond have been found in some of the cold bonded components jeopardizing the design integrity of the fuselage pressure vessel. This paper examines the problem, service experience, and modifications currently being made to restore structural integrity; and relates these modifications to the other required elements in the current solution to the "Aging Aircraft Problem".
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-14-2009, 12:35 PM
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Used to be Singpilot...
Join Date: Oct 2006
Location: Sioux Falls, SD is what the reg says on the bus.
Posts: 1,867
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Just to be clear here, Syl.
This was a 737-300. No cold bonding, that being in only the first 100 of the -200 models. DID have the 'rip-stop' skin. Appears to have worked in this case. |
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07-14-2009, 01:43 PM
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THE IRONMAN
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Quote:
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-14-2009, 04:03 PM
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THE IRONMAN
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The NTSB released detail pictures of the skin section on Jul 16th and said, that visual examination did not reveal significant corrosion or any obvious pre-existing mechanical damage. The fractures are suitable for further analysis. A detailed metallurgical examination will be performed in the following days. The hole in the skin measures approximately 12 inches by 8 inches (30cm by 20cm), the skin is about 0.032 inches (0.8mm) thick with an additional layer of another 0.032 inches (0.8mm) thickness bonded to interior surface in selected areas. The airline is now going to repair the airplane.
 
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-17-2009, 03:30 AM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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Is it just me or would you strenuously AVOID flying on N387SW in the future?
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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07-17-2009, 05:50 AM
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,943
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Cannot wait to see what they found is the cause. Very interesting failure.
The most dangerous part of any pax's journey is the drive to and from the airport. The pilots do a flight exam and doctors visit every 6 months. The airplane is inspected far more than any car. The idiots we have driving on our highways these days exceed all of these limits by a long ways. Personally I would fly this jet anywhere. After this situation its going to be the most extensively inspected B737 in the fleet... and its a Boeing. You notice that it might have had problems but it got every person onboard on the ground safely. Joe A
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2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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07-17-2009, 06:02 AM
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Registered
Join Date: May 2002
Location: St Louis
Posts: 4,211
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Is that a sheet of aluminum that tore away in the middle?
I wonder what made the back of the tear so straight.
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Rick 88 Cab |
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07-17-2009, 07:23 AM
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THE IRONMAN
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Quote:
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-17-2009, 07:41 AM
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B58/732
Join Date: Feb 2000
Location: Hot as Hell, AZ
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ΜΟΛΩΝ ΛΑΒΕ I don't always talk to vegetarians--but when I do, it's with a mouthful of bacon. |
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07-17-2009, 07:43 AM
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THE IRONMAN
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http://www.usatoday.com/travel/flights/2008-03-06-fine_N.htm
The FAA said it will seek the fine from Southwest for flying 46 jets during nine months in 2006 and 2007 without performing required inspections for cracks in the fuselage. Cracks eventually were found on six of the planes. The Boeing 737 jets made 59,791 flights before the airline realized in March 2007 that the inspections had not been completed. The airline deliberately made 1,451 more flights after discovering the lapse, the FAA said. Are we surprised...!
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1984 911 CARRERA RUBY RED TARGA SW CHIPPED-BURSCH CATBYPASS MONTY FREE FLOW EXHAUST <IN GAS WE TRUST> |
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07-17-2009, 07:54 AM
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Registered
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Quote:
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83 911SC Targa Everything I say is my personal opinion, and has nothing to do with my team. |
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07-17-2009, 01:47 PM
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Used to be Singpilot...
Join Date: Oct 2006
Location: Sioux Falls, SD is what the reg says on the bus.
Posts: 1,867
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Quote:
Both flights were being flown by check airmen. (every pilot's least favourite guy in their career. Even ranked behind, pardon the pun, the flight doc that gloves the prostrate every 6 months....). Trust me, there is special kind of karma in this business. |
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07-17-2009, 11:36 PM
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Porsche 914
Porsche 911 Carrera
THE ROADSTER
Only Porsche
Only bike
