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Search: Posts Made By: MarineEngineer
Showing results 1 to 35 of 52
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Forum: Accidents and Close Calls
13th Mar 2024, 08:23
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

If the flight data recorder does not show any...

If the flight data recorder does not show any issue with cabin altitude, isn't it likely that the warning light was due to an internal failure of the cabin pressure controller? And wouldn't the...
Forum: Accidents and Close Calls
6th Mar 2024, 16:32
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

https://www.nytimes.com/2024/03/06/us/politics/nts...

https://www.nytimes.com/2024/03/06/us/politics/ntsb-boeing-737-max.html

This does not help Boeing's reputation!
Forum: Accidents and Close Calls
2nd Mar 2024, 12:41
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

OK. My experience, working on cruise ships, was...

OK. My experience, working on cruise ships, was that the main audit was for our head office and when we had an onboard audit they just wanted to know how well we understood the company's Safety...
Forum: Accidents and Close Calls
27th Feb 2024, 16:52
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

ISO 9000 is a series of Quality Management tools,...

ISO 9000 is a series of Quality Management tools, five, not 9000. And it does require good processes. Is your post just American jingoism?

ISO is international, so please don't accuse me of...
Forum: Accidents and Close Calls
27th Feb 2024, 13:57
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

Doesn't ISO 9000 require a company to have a...

Doesn't ISO 9000 require a company to have a quality management system that meets certain requirements and then a system to continuously review and improve them? I was a senior manager but I did not...
Forum: Accidents and Close Calls
27th Feb 2024, 09:04
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

With reference to MechEngr's Wiki link, ISO 9000...

With reference to MechEngr's Wiki link, ISO 9000 is no fad. In fact, if the FAA and Boeing had adopted the ISO 9000 series, I doubt if we would be in this mess now.
Forum: Accidents and Close Calls
27th Feb 2024, 06:08
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

FAA has issued its expert panel report into...

FAA has issued its expert panel report into Boing's management

https://www.faa.gov/newsroom/Sec103_ExpertPanelReview_Report_Final.pdf
Forum: Accidents and Close Calls
21st Feb 2024, 17:51
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

No one has posted any Boeing documentation on the...

No one has posted any Boeing documentation on the plug door, but the NTSB used the term 'lift assist spring' in their preliminary report and 'lift assist" is mentioned in 59 posts in this topic....
Forum: Accidents and Close Calls
21st Feb 2024, 16:45
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

They are probably called lift-assist springs for...

They are probably called lift-assist springs for a reason.
Forum: Accidents and Close Calls
15th Feb 2024, 14:27
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

It is because the pilot unions in the US don't...

It is because the pilot unions in the US don't want it. EASA sets the time as 25 hours.
Forum: Accidents and Close Calls
14th Feb 2024, 20:02
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

The regulatory authority here is the FAA, the...

The regulatory authority here is the FAA, the NTSB has only to determine the immediate cause of the accident.
Forum: Accidents and Close Calls
10th Feb 2024, 09:44
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

Endless speculation about the failure mode of the...

Endless speculation about the failure mode of the guide is pointless as it was not designed to hold the door in place. The guide and roller are unstressed in flight. Similarly, the roller is not too...
Forum: Accidents and Close Calls
9th Feb 2024, 15:44
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

Because it was a ductile fracture. What you are...

Because it was a ductile fracture. What you are thinking of is a brittle fracture. Also, the guide failed as the door plug was moving upwards so the point of stress was movink down the guide.
Forum: Accidents and Close Calls
9th Feb 2024, 07:17
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

The cable tie is strong enough to stop the door...

The cable tie is strong enough to stop the door rising enough for the stop pins and pads to disengage. Perhaps the door could rise a few milimetres?
Forum: Accidents and Close Calls
8th Feb 2024, 16:45
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

I'm sure that cable tie is strong enough to hold...

I'm sure that cable tie is strong enough to hold the door down for many flights, if not indefinitely. there are no sharp edges on the stop fitting brackets.
Forum: Accidents and Close Calls
7th Feb 2024, 14:14
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

No, because there were no pressure warnings. The...

No, because there were no pressure warnings. The 'computer' for cabin pressure self-diagnosed a failure. NTSB has already said that these faults were unrelated to the door.
Forum: Accidents and Close Calls
7th Feb 2024, 14:06
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

That cable tie must surely be an improvised way...

That cable tie must surely be an improvised way of keeping the door down while the bolts were ftitted. I can see why it might be used. Would be OK if it had been official, numbered and brightly...
Forum: Accidents and Close Calls
6th Feb 2024, 17:28
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

The National Transportation Safety Board will...

The National Transportation Safety Board will release its preliminary report 2pm EST Tuesday afternoon on last month’s blowout of a part of an Alaska Airlines Boeing 737 Max 9 flight, NTSB spokesman...
Forum: Accidents and Close Calls
6th Feb 2024, 16:54
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

US industry has mostly been metric since 1959....

US industry has mostly been metric since 1959. The inch was redefined as 25.4mm exactly as in Europe.

US lathes can turn metric threads and European lathes can turn Imperial or 'Customary unit'...
Forum: Accidents and Close Calls
6th Feb 2024, 10:03
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

Did you notice that the door seal was deformed...

Did you notice that the door seal was deformed slightly?

You can't mix a lock washer with a plain washer. It is probably a spring washer fitted to stop the bolt rattling, or to make aligning the...
Forum: Accidents and Close Calls
6th Feb 2024, 07:29
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

There are some interesting photos here, and a...

There are some interesting photos here, and a description of the maintenance checks being carried out on AA's MAX planes.

https://news.alaskaair.com/alaska-airlines/operations/as-1282/

If you...
Forum: Accidents and Close Calls
4th Feb 2024, 08:21
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

On a train, I sit with by back facing direction...

On a train, I sit with by back facing direction of travel or I sit opposite a fat person.
Forum: Accidents and Close Calls
3rd Feb 2024, 18:57
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

I can't understand why people undo their...

I can't understand why people undo their seatbelts the instant the sign goes off. It compares to the refusal to wear masks in the Covid crisis. I guess it is something to do with personal freedom,...
Forum: Accidents and Close Calls
1st Feb 2024, 21:53
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

@chris137 I just didn't want anyone reading...

@chris137

I just didn't want anyone reading this thread to think that they should leave this type of door inside when all the safety briefs and seat back cards say the opposite
Forum: Accidents and Close Calls
1st Feb 2024, 17:29
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

An interesting read, thanks for the link. I...

An interesting read, thanks for the link.

I got a different take on this. In the conclusions, it says, "Operation and disposal location of the Type-III exit hatch also interacted with passageway...
Forum: Accidents and Close Calls
1st Feb 2024, 11:07
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

Here are some training videos showing the door...

Here are some training videos showing the door being ejected.A320 https://www.youtube.com/watch?v=PSBo73SCGhE

B737 300/500 https://youtu.be/2gZ22iQBlmc

Embraer 170/190...
Forum: Accidents and Close Calls
1st Feb 2024, 06:26
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

The overwing exit doors are not to be set on the...

The overwing exit doors are not to be set on the seats! ~they are meant to be thrown out of the plane so as not to cause an obstruction.
Forum: Accidents and Close Calls
30th Jan 2024, 10:15
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

Even if the plug door seal had started to leak,...

Even if the plug door seal had started to leak, this would not have affected the cabin pressure. The cabin pressure controller identified an internal fault and switched to the alternate controller. ...
Forum: Accidents and Close Calls
24th Jan 2024, 16:34
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

The New York Times has a couple of excellent...

The New York Times has a couple of excellent graphics showing the door closing and the function of the lift assist springs.
...
Forum: Accidents and Close Calls
24th Jan 2024, 16:13
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

I think Boeing executives should close the...

I think Boeing executives should close the factories for a week, give the workers a paid holiday and have a serious look at themselves and corporate culture. It needs to a top-down whooping.
Forum: Rumours & News
24th Jan 2024, 09:22
Replies: 705
Views: 198,981
Posted By MarineEngineer

Korean Air managed a complete turnaround in its...

Korean Air managed a complete turnaround in its cockpit crew resource management. I don't know how long it took, starting in about 1999, but KA went from one of the worst to one of the best...
Forum: Accidents and Close Calls
23rd Jan 2024, 18:05
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

No sane whistleblower is going to contact a...

No sane whistleblower is going to contact a reporter's public email!
Forum: Accidents and Close Calls
21st Jan 2024, 18:13
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

An excellent point. I can't believe that four...

An excellent point. I can't believe that four bolts were fitted without nuts or without cotter pins in the nuts and that they all fell out. I can only guess that one or more temporary hole fillers...
Forum: Accidents and Close Calls
21st Jan 2024, 10:26
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

There is a good seating plan of Alaska Ailines...

There is a good seating plan of Alaska Ailines 737 -9 Max here https://www.aerolopa.com/as-7m9 as it shows the windows. I think the seat with the obvious torque must be 25A
...
Forum: Accidents and Close Calls
19th Jan 2024, 19:24
Replies: 1,950
Views: 935,205
Posted By MarineEngineer

The plane was taken off ETOPs to be within three...

The plane was taken off ETOPs to be within three hours of an airport. This was AA being ultra cautious. It was due to there being multiple write ups for maintenance, not specifically because of the...
Showing results 1 to 35 of 52
 
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