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To: Keith J who wrote (136009)6/23/2010 4:45:01 PM
From: Elroy Jetson1 Recommendation  Read Replies (1) | Respond to of 206323
 
Sometimes we have grounded every plane of the model involved in an accident.

In 1979 the FAA grounded all DC-10s until they were able to determine why they had a tendency to fall out the sky. My extended family had to scramble to find alternate flights to Hawaii. I got a lot of us booked through Chevron's Thomas Cook agent which routinely blocked-out seats in advance in case we needed them.

On 9/11 Bush grounded every flight for a while.

We think we know many of the things BP did wrong, but it will be nice to examine the BOP in a lab to make sure what some have guessed is actually the case.

As an example, I'm pretty sure we're going to move to BOPs with two blind sheers spaced so not more than one can encounter something it can't cut. And that' going to first require a retrofit for many drill rigs.
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To: Keith J who wrote (136009)6/23/2010 5:05:19 PM
From: microhoogle!  Respond to of 206323
 
Why go to Airplane analogy and why not a shuttle program that was grounded for 3 years after Columbia disaster. Not that I am advocating a moratorium or if I am against it - I am not an expert.



To: Keith J who wrote (136009)6/23/2010 5:47:22 PM
From: Metacomet1 Recommendation  Read Replies (1) | Respond to of 206323
 
When a jetliner crashes, do we ground every single jet of that series until the black box is recovered,

Well no...

But if we know that the crash occurred while the pilot was screwing the air traffic controller and the seat belts and wing flaps were not working and the engines were falling off for lack of maintenance, we ought to ground everybody until those systems were checked on every aircraft of that type and the controllers were replaced.



To: Keith J who wrote (136009)6/24/2010 7:23:30 AM
From: ChanceIs1 Recommendation  Read Replies (1) | Respond to of 206323
 
>>>When a jetliner crashes, do we ground every single jet of that series until the black box is recovered, an investigation is conducted,<<<

As a point of reference, Memorial Day weekend 1979 I was just finishing college and flying around the country on job interviews. I was in Melbourne< fl on the front end and in Los Angeles on the back end. A DC-10 Americans Airlines jet crashed on takeoff in Chicago over the weekend. IT took me a long time to get home. The entire DC-10 fleet was grounded.

It was an interesting case. As the jet lifted its nose after achieving speed on take off, the port engine tore off the wing and flew horizontally down the runway while the jet climbed to several hundred fleet on its remaining engine, rolled over to port and crashed. Everybody on board was killed. Tragic.

It was fairly quickly discovered that there was significant damage to the port engine pylon. A faulty maintenance handling procedure was discovered which cracked the pylon and hence the crash.

As I recall, the source was discovered pretty quickly, but for sure the whole fleet was grounded.