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DL Emergency Landing In Puerto Rico  
User currently offlinedirtyfrankd From United States of America, joined Apr 2011, 189 posts, RR: 0
Posted (2 years 7 months 3 weeks 5 days 23 hours ago) and read 8899 times:

Just got wind of a DL emergency landing in Puerto Rico, anyone heard about this or have any details?

8 replies: All unread, jump to last
 
User currently offlineRoseFlyer From United States of America, joined Feb 2004, 9503 posts, RR: 52
Reply 1, posted (2 years 7 months 3 weeks 5 days 22 hours ago) and read 8686 times:

Looks like it was a 737-800 flying ATL-Saint Lucia. Looking at the speed of their descent, it might have been a medical emergency, since they dropped about as fast as they practically could for the diversion. SJU is on the normal ATL-Saint Lucia routing, so it makes sense that they were aware as SJU as a potential diversion airport.


If you have never designed an airplane part before, let the real designers do the work!
User currently offlineKingFriday013 From United States of America, joined May 2007, 1296 posts, RR: 9
Reply 2, posted (2 years 7 months 3 weeks 5 days 22 hours ago) and read 8463 times:

Looks like it was DL 421 ATL-UVF

http://flightaware.com/live/flight/D...1/history/20111204/1445Z/KATL/TLPL
(Link shows the divert to SJU)

Quoting RoseFlyer (Reply 1):
Looking at the speed of their descent, it might have been a medical emergency, since they dropped about as fast as they practically could for the diversion

Link for the full log: http://flightaware.com/live/flight/D.../20111204/1445Z/KATL/TJSJ/tracklog

WOW!   

-J.

(Edited to fix screenshot code)

[Edited 2011-12-04 12:58:16]


Tho' I've belted you an' flayed you, By the livin' Gawd that made you, You're a better man than I am, Gunga Din!
User currently offlineWestern727 From United States of America, joined Jan 2007, 743 posts, RR: 4
Reply 3, posted (2 years 7 months 3 weeks 5 days 2 hours ago) and read 5689 times:

Quoting RoseFlyer (Reply 1):
they dropped about as fast as they practically could for the diversion

I'm not sure I agree - the average descent rate looks like it was below roughly 2,000 fpm and the time from TOD to touchdown was about 21 minutes, not much shorter than a standard descent.

I was in a Delta MD-88 (N992DL) that made an emergency descent into JAN a couple of years ago. At our cruise altitude (FL360) a smoke-in-the-cabin situation developed, prompting an emergency descent with speedbrakes deployed literally all the way down from TOD to short final when the flaps/gear were extended. After the equipment met us at JAN and the situation was determined to be under control (turned out only to be a bad air conditioning pack), we disembarked to be put on other flights.

A half hour after we disembarked, I saw the flight and cabin crew at a still-closed bar/grill (this was in the morning) and we discussed what I thought was a great experience, and the FO said "we got that baby down in 12 minutes flat" with the highest descent rate being almost 5,000 fpm. 12 minutes sounded exactly right based on the clock on my cell phone. That's an average of about 3,000 fpm.

So...I'm thinking either the emergency wasn't that grave, OR the 738 was too far away from SJU to descend in a "straight line down" manner. Pure speculation, though.



Jack @ AUS
User currently offlineWestern727 From United States of America, joined Jan 2007, 743 posts, RR: 4
Reply 4, posted (2 years 7 months 3 weeks 5 days ago) and read 4773 times:

After giving the referenced DL 738 situation more thought and studying the FlightAware.com info further, I realize the descent WAS rapid for the initial stage...down to roughly FL140.

This seems to suggest a decompression emergency given the fact that the descent rate appears to have been normal below FL140. And, given the fact that the aircraft did not appear to fly straight to SJU during its descent, perhaps it was indeed too close to SJU at TOD to do a straight-in descent from FL370..but still had to descent rapidly down to FL140.

So...decompression is my theory...or some other emergency that somehow became "less" of an emergency when the aircraft reached FL140.



Jack @ AUS
User currently offlineRoseFlyer From United States of America, joined Feb 2004, 9503 posts, RR: 52
Reply 5, posted (2 years 7 months 3 weeks 5 days ago) and read 4609 times:

Quoting Western727 (Reply 4):
After giving the referenced DL 738 situation more thought and studying the FlightAware.com info further, I realize the descent WAS rapid for the initial stage...down to roughly FL140.

This seems to suggest a decompression emergency given the fact that the descent rate appears to have been normal below FL140. And, given the fact that the aircraft did not appear to fly straight to SJU during its descent, perhaps it was indeed too close to SJU at TOD to do a straight-in descent from FL370..but still had to descent rapidly down to FL140.

So...decompression is my theory...or some other emergency that somehow became "less" of an emergency when the aircraft reached FL140.

The airplane dispatched to Saint Lucia after 4 hours on the ground at SJU. That's awfully fast at a station where DL likely only has contract maintenance to get anything fixed that would cause a pressurization problem or a mechanical problem significant enough to cause a diversion.

Anyone know anything else?



If you have never designed an airplane part before, let the real designers do the work!
User currently offlinebhmdiversion From United States of America, joined Dec 2008, 457 posts, RR: 0
Reply 6, posted (2 years 7 months 3 weeks 4 days 22 hours ago) and read 3716 times:

The cause for diversion was for a LH Engine Fire Warning. Line MX was contacted in SJU and MEL'ed accordingly.

User currently offlinedirtyfrankd From United States of America, joined Apr 2011, 189 posts, RR: 0
Reply 7, posted (2 years 7 months 3 weeks 4 days 18 hours ago) and read 3409 times:

Quoting bhmdiversion (Reply 6):
The cause for diversion was for a LH Engine Fire Warning. Line MX was contacted in SJU and MEL'ed accordingly.

Thanks for the clarification!


User currently offlineusair330 From United States of America, joined Mar 2002, 820 posts, RR: 1
Reply 8, posted (2 years 7 months 3 weeks 4 days 9 hours ago) and read 3082 times:

Quoting bhmdiversion (Reply 6):

Confirmed http://avherald.com/h?article=44732190&opt=0


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