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reffado
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 7:15 pm

Today, a GOL Boeing 737-800 suffered an uncontained engine failure after takeoff from Rio de Janeiro's SDU airport, and was forced to cancel the flight to CGH and land in Rio's GIG airport. According to a press release, the aircraft landed safely after one of the engine cowlings detached during flight, and none of the 67 passengers on board were injured. The aircraft will undergo maintenance and an investigation will be conducted to discover the cause of the incident.



EDIT: The aircraft in question is PR-GGY, and was performing flight G3 1700.

[Edited 2014-03-08 11:22:15]
 
AA737-823
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 8:20 pm

Um, that's not an uncontained engine failure.
Who's calling it an engine failure??? I haven't seen that anywhere.
The cowling blew open, as happens quite frequently on the A320.
See AvHerald:
http://avherald.com/h?article=47114eae&opt=0
 
AR385
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 8:43 pm

I´m confused. Did the cowling opened because there was an uncontained failure or the cowling just opened? An uncontained failure of an engine upon T/O at SDU would be pretty scary. But what exactly was this?
 
ZKCIF
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 8:46 pm

67 passengers on 738? sounds sad for beancounters  
 
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reffado
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 8:47 pm

I apologise for the incorrect text. First info I gathered had stated "engine failure". Has now been corrected, and was in fact just the cowling blowing open.

Brazilian Air Force is reporting there was ice formation in the engine, according to this article: http://g1.globo.com/rio-de-janeiro/n...s-peca-se-soltar-em-pleno-voo.html

[Edited 2014-03-08 12:49:48]
 
AR385
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 8:52 pm

Quoting Reffado (Reply 4):
First info I gathered had stated "engine failure". Has now been corrected, and was in fact just the cowling blowing open.

Still, any issue with an engine at SDU is bound to be newsworthy, what with that airport being so marginal. I remember taking off from there many times and it was a very interesting experience. I also had an excellent view from my office window form a building at Rio Branco street.
 
Pyrex
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 8:55 pm

Wow. Can't imagine anything scarier than an engine failure on take-off from SDU. I know that they need to do the math to be able to withstand situations like this, but taking off from that tiny, tiny runway straight against a massive mountain and suddenly losing half your power sounds pretty nerve-wrecking,
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reffado
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 9:02 pm

A lot of misinformation in the initial report. Update, now sources are saying the flight never originated from SDU, but from GRU, and suffered the incident while on approach to SDU. Diverted to GIG because of longer runways. I am confused now as to what to believe.
 
liftsifter
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 10:28 pm

Quoting AA737-823 (Reply 1):
The cowling blew open, as happens quite frequently on the A320.

Why are you mentioning the A320, when the aircraft in question is a 737? Let's not make this into A vs. B, please.

This is actually the first time I've seen a photo of an engine cowling violently pulled off. Interesting, but certainly could be dangerous.
A300 A310 A319 A320 A321 A332 A333 A342 A343 A346 A380 B736 B737 B738 B744 B763 B77L B77E B77W B788 E190
 
EXMEMWIDGET
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sat Mar 08, 2014 11:56 pm

Quoting AA737-823 (Reply 1):
Um, that's not an uncontained engine failure.
Who's calling it an engine failure??? I haven't seen that anywhere.
The cowling blew open, as happens quite frequently on the A320.
See AvHerald:

With both engine cowlings blown open and holes in the engine housing, that would appear to be an unconfined engine failure.
 
wxmeddler
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 12:07 am

Looks like both sides of the cowling was torn off violently... Perhaps a blade off in the compressor?
 
AR385
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 7:17 am

Quoting liftsifter (Reply 8):
Why are you mentioning the A320, when the aircraft in question is a 737? Let's not make this into A vs. B, please.

Because, it has happened often on A320s, so what´s your point? He is not saying anything that is false. I´ve never heard it happen on a 737.
 
PlanesNTrains
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 9:22 am

IINM there are pics of just such a thing happening in flight on AirTran (FL) several years back.

-Dave
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scbriml
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 10:10 am

Quoting AR385 (Reply 11):
it has happened often on A320s

Define "often". I'm aware of three such incidents.

Not that the manufacturer of the plane has ANYTHING to do with it given it's an engine issue.
Time flies like an arrow. Fruit flies like a banana!
 
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DexSwart
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 11:33 am

Quoting liftsifter (Reply 8):
Why are you mentioning the A320, when the aircraft in question is a 737?

Because they're similar aircraft in similar roles, used in a similar region to the aircraft in particular. I assume that's why, at least. Probably to dispel or try to dispel the usual A.net hype around a relatively common occurrence.

Quoting liftsifter (Reply 8):
Let's not make this into A vs. B

Once again, probably not his intention. The whole "A vs. B" thing is stupid anyway, they're both lovely aircraft and do their job well.


Now, was there any damage to the wing or not? The cowling ripped up, which is how they open on a 73. How long should the damage take to repair?
Durban. Melbourne. Denver. Hong Kong.
 
slcguy
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 12:01 pm

Well, at least we can give A320 cowlings/nacelles credit for leaving the aircraft cleanly since they do it regularly. B737 cowlings look like they flop around and come apart which might be a bigger deal, if it happened more often!

[Edited 2014-03-09 05:11:46]

[Edited 2014-03-09 05:23:16]
 
powerman57
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 12:22 pm

Quoting scbriml (Reply 13):

In almost every case on modern powerplants, the nacelle, nozzles, pylon etc are all the design responsibility of the airframer, not the engine manufacturer.

From the photos available, this looks like a release of the fan cowl door latches thus allowing the doors to open and deform around the fancase. There does not seem to be any evidence in these photos of released core debris. Compressor blade failures are, in my experience, almost always contained within the engine casings. Therefore this does not fall into the category of an uncontained engine failure.
 
Alnicocunife
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 1:44 pm

Was the engine even shut down? The fan looks OK. It really looks like just the cowling was left open or became that way during takeoff. Even if a pneumatic duct is blown, correctly closed cowling will stay together. Anything further aft (turbine section) would not cause the fan cowls to be damaged as the T/R's take the brunt of the impact damage. The high pressure compressor section has smaller blades and less rotating mass and they rarely if ever come out of the case.
 
na
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GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 1:50 pm

Quoting AA737-823 (Reply 1):
The cowling blew open, as happens quite frequently on the A320.

Oh really? You better give examples before posting such accusation. Never heard that this a "frequent A320 problem". And I am sure its false, at least the adjective.
 
SA7700
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RE: GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 2:51 pm

Quoting AA737-823 (Reply 1):
The cowling blew open, as happens quite frequently on the A320.
Quoting na (Reply 18):
Oh really? You better give examples before posting such accusation. Never heard that this a "frequent A320 problem". And I am sure its false, at least the adjective.

I don't wish to become embroiled in a flamefest and I don't believe it was user [ AA737-823 ]'s intention to start a flamefest. It has happened before - it is merely an observation. Please see the following:

A320 Losses Engine Cowlings During Takeoff? (by Mr Spaceman May 13 2004 in Tech Ops)

A320 Cowl Latches Overlooked Reason. (by HAWK21M Jun 16 2013 in Tech Ops)



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Photo © Jose Ramon Valero - Iberian Spotters
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Photo © Ron Nantes



And most recently on BA's G-EUOE (24 May 2013 - BA762)


Yes it is unsettling, but it can happen on any aircraft, be it Boeing, Airbus, Embraer, etc.

Thanks and regards,

SA7700
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Tancrede
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RE: GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 3:28 pm

Quoting AR385 (Reply 11):
Because, it has happened often on A320s, so what´s your point? He is not saying anything that is false. I´ve never heard it happen on a 737.

Can you be more specific about how "often"? twice a week, three times every month.
Funny but since the 90's, I am flying on A320, it has never happened to me. I must be very lucky.
 
AR385
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RE: GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 6:44 pm

Quoting Tancrede (Reply 20):
Can you be more specific about how "often"

Please look at reply 19. which I take as a subtle warning from the moderators.

But for your benefit, here you go:

of·ten
[aw-fuhn, of-uhn; awf-tuhn, of-] Show IPA
adverb
1.
many times; frequently: He visits his parents as often as he can.
2.
in many cases.
adjective
3.
Archaic. frequent.
Origin:
1300–50; Middle English oftin, variant before vowels of ofte oft

Related forms
of·ten·ness, noun

Synonyms
1, 2. repeatedly, customarily. Often, frequently, generally, usually refer to experiences that are customary. Often and frequently may be used interchangeably in most cases.
 
RubberJungle
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RE: GOL 737 (PR-GGY) Engine Doors Separate After GRU Takeoff

Sun Mar 09, 2014 6:54 pm

Quoting scbriml (Reply 13):
Define "often". I'm aware of three such incidents.

At the time of the BA A319 event in May 2013, Airbus had recorded 35 similar incidents.

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