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Search: Posts Made By: D Bru
Showing results 1 to 35 of 90
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Forum: Accidents and Close Calls
19th Mar 2024, 08:54
Replies: 1,950
Views: 931,882
Posted By D Bru

Background situation at Renton

What isn’t to be ignored IMO is the reported background situation at Renton against which the rivet repairs took place. As we know, the 714AL rivets issue was identified end of August '24 and the...
Forum: Accidents and Close Calls
18th Mar 2024, 15:45
Replies: 1,950
Views: 931,882
Posted By D Bru

Ta! to @Hot 'n' High...

Ta! to @Hot 'n' High (x-webdoc://EFE96326-9CED-4DBA-A420-792F0FEEF08E/member.php?u=43937) & @A0283 (x-webdoc://EFE96326-9CED-4DBA-A420-792F0FEEF08E/member.php?u=440631) for the insightful comments. ...
Forum: Accidents and Close Calls
15th Mar 2024, 11:53
Replies: 1,950
Views: 931,882
Posted By D Bru

900ER checks probe

With Alaska 1282 we're of course looking at MAX-9 production (quality) issues. But following 21 Jan's FAA SAFO recommending also plug inspections on the 900ER, out of curiosity I ran a quick check in...
Forum: Accidents and Close Calls
13th Mar 2024, 17:25
Replies: 1,950
Views: 931,882
Posted By D Bru

NTSB tightens the screws (no pun intended) on Boeing

https://www.ntsb.gov/news/Documents/Letter%20to%20Senate%20Committee%20on%20Commerce,%20Science%20&%20Transportation%20on%20Boeing%20737-9%20MAX%20Door%20Plug%20Blowout.pdf

Today NTSB chair...
Forum: Accidents and Close Calls
11th Mar 2024, 07:55
Replies: 1,950
Views: 931,882
Posted By D Bru

The long and short of it

The elephant in the room of course is why in Boeing's QA/QC system, contrary to "removal" of the door plug, the "opening" of the door plug doesn't require recording in Boeing's CMES (and therefore...
Forum: Accidents and Close Calls
22nd Feb 2024, 15:40
Replies: 1,950
Views: 931,882
Posted By D Bru

"Boeing ousts 737 MAX chief in shake-up as blowout fallout mounts"

Boeing sacks MAX VP/general manager of Renton, replacing an engineer with a business degrees holding head of Boeing aircraft deliveries....

In addition, appoints "quality" executive at SVP level...
Forum: Accidents and Close Calls
15th Feb 2024, 15:29
Replies: 1,950
Views: 931,882
Posted By D Bru

NTSB

Based on for instance the NTSB report of 24 September 2013, concerning the 1 April 2011 (sic!) B733 accident (manufacturing fault leads to rapid decompression at FL 340, flight SW812), I'd be...
Forum: Accidents and Close Calls
8th Feb 2024, 06:33
Replies: 1,950
Views: 931,882
Posted By D Bru

Obviously, with four or even two arrestor bolts...

Obviously, with four or even two arrestor bolts in place (that is one each on both the forward and aft side), the MED plug would not have been able to move up less than half an inch (sic!) it...
Forum: Accidents and Close Calls
2nd Feb 2024, 03:18
Replies: 1,950
Views: 931,882
Posted By D Bru

Back on track....

With all due respect, allow me to bring this thread somewhat back on track in advance of the NTSB preliminary report.

Whoever still doubted that also the fwd hinge bracket went missing from its...
Forum: Accidents and Close Calls
29th Jan 2024, 17:12
Replies: 1,950
Views: 931,882
Posted By D Bru

So now, because of this suspected "escape" or...

So now, because of this suspected "escape" or "mis-engineering" of "the four plugs" and the public response (followed by websites that allow for filtering out certain 737 seatings), there finally...
Forum: Accidents and Close Calls
29th Jan 2024, 16:42
Replies: 1,950
Views: 931,882
Posted By D Bru

Nice one, but the jury is still out on this....

Nice one, but the jury is still out on this. There may be more.
Forum: Accidents and Close Calls
29th Jan 2024, 16:07
Replies: 1,950
Views: 931,882
Posted By D Bru

I agree on the risk issue. And how many of the...

I agree on the risk issue. And how many of the well over 400 plugged 900ER's out of a just over 500 overall 900ER's (delivered between 2007 to 2019) have since been converted into having an active...
Forum: Accidents and Close Calls
29th Jan 2024, 14:57
Replies: 1,950
Views: 931,882
Posted By D Bru

Taped door plugs on N704AL

"Aviation Flights" has all kind of photos per airline of 737 MAX's coming out of Renton, whether it's being spotted first time outside the facility or first, second test flight, third and fourth...
Forum: Accidents and Close Calls
29th Jan 2024, 05:57
Replies: 1,950
Views: 931,882
Posted By D Bru

some answers, more questions....

While “Throwawayboeing...” alleges that damaged and improperly installed rivets were recorded by Boeing to have been found on the door plug itself, The Air Current (TAC) reported (as posted here by...
Forum: Accidents and Close Calls
24th Jan 2024, 14:20
Replies: 1,950
Views: 931,882
Posted By D Bru

Door plug swap BIS

If we take "Trowawayboeing" for his word, the door plug swap wasn't done at Renton, most certainly not by Boeing and neither by the Spirit "warranty team". Unless of course..... the Spirit "warranty...
Forum: Accidents and Close Calls
22nd Jan 2024, 10:10
Replies: 1,950
Views: 931,882
Posted By D Bru

I didn't imply that the alleged Boeing statement...

I didn't imply that the alleged Boeing statement at the time wasn't true and it may well still be. The only thing is that from a point of view of a possible effort at the time to prevent also the...
Forum: Accidents and Close Calls
22nd Jan 2024, 09:30
Replies: 1,950
Views: 931,882
Posted By D Bru

Ok, let's shoot again

Ok, let’s have another go at this.

Spoiler: the attention drawn to the door frame seal by the NTSB Chair on 18 Jan, as reported by Reuters, may prove crucial.

In a static situation on the...
Forum: Accidents and Close Calls
22nd Jan 2024, 07:20
Replies: 1,950
Views: 931,882
Posted By D Bru

Finally, the -900ER's produced between 2007-2019...

Finally, the -900ER's produced between 2007-2019 with the same door plugs also get the attention they deserve. And apparently some airlines that had started inspections on their own initiative have...
Forum: Accidents and Close Calls
20th Jan 2024, 09:17
Replies: 1,950
Views: 931,882
Posted By D Bru

Wow, is NTSB Chair saying it could be airframe itself?

Wow, this IS significant. Paraphrasing:

Boeing to NTSB: Hey, we're going to fix them bolts, put them all and make double sure they're nice and tight. And we're ready to go! Nothing else to see...
Forum: Accidents and Close Calls
18th Jan 2024, 07:10
Replies: 1,950
Views: 931,882
Posted By D Bru

Brady Bis

Yep, and Brady has now a whole slide on the -900ER with the door plug option, using my PPruNe conversation with DaveReidUK on the probable reason why those plugged 900ER's are not covered by the FAA...
Forum: Accidents and Close Calls
17th Jan 2024, 16:04
Replies: 1,950
Views: 931,882
Posted By D Bru

Good point (, but/and...)

Good point! Indeed, in a picture of a closed door plug on another MAX-9 (see below) that I now found, the flexible seal from the side of the door frame clearly continues and bends over the top,...
Forum: Accidents and Close Calls
17th Jan 2024, 14:10
Replies: 1,950
Views: 931,882
Posted By D Bru

Could be cracks....

Thanks to both, I've edited the post so as to make my observation less definitive. However, EXDAC, the door seal at that hight already seems to be completely on the outside part of the doorframe.
...
Forum: Accidents and Close Calls
17th Jan 2024, 10:03
Replies: 1,950
Views: 931,882
Posted By D Bru

Damage top inside doorframe

Commensurate with the cracks on the top corners of the door plug (in the picture posted #963 by DaveReidUK of the door plug's delivery to NTSB's facility), there also appear to be cracks near the top...
Forum: Accidents and Close Calls
17th Jan 2024, 09:46
Replies: 1,950
Views: 931,882
Posted By D Bru

For the spring present on the aft hinge, rod and...

For the spring present on the aft hinge, rod and sliding bracket see Mudman's post #478 or NTSB's Flickr account, but here you go:

...
Forum: Accidents and Close Calls
16th Jan 2024, 10:12
Replies: 1,950
Views: 931,882
Posted By D Bru

NTSB/Boeing door plug diagram discrepancy

Surprisingly, the door plug diagram published by NTSB, sourced from Boeing (sic!), shows the two bottom spring rods in a compressed position in a door plug open situation, while the door plug remains...
Forum: Accidents and Close Calls
16th Jan 2024, 07:27
Replies: 1,950
Views: 931,882
Posted By D Bru

Door plug not meant for N704AL

Re-examining some pictures I suddenly realised that the door plug wasn't intended to be fitted on N704AL (LN 8789), but on N705AL (LN8799), the latter delivered last December. Coincidence, normal...
Forum: Accidents and Close Calls
15th Jan 2024, 14:34
Replies: 1,950
Views: 931,882
Posted By D Bru

"Up" and "Fwd"

Photos from Bob's garden are w/o those markings. So I presume it was the NTSB putting them after retrieval "out a an abundance of caution" ;)
Forum: Accidents and Close Calls
13th Jan 2024, 11:37
Replies: 1,950
Views: 931,882
Posted By D Bru

Boeing plug history

Thanks aeromech3, I grant your memory accurate of course, but on this particular 727 (N7647U), the forward of wing door plug outline is clearly visible, also see this photograph:...
Forum: Accidents and Close Calls
13th Jan 2024, 10:44
Replies: 1,950
Views: 931,882
Posted By D Bru

MAX9 with mid-aft e/e delivered at +/- same time

Well, on 15 November 23 they did deliver PH-CDQ (L/N 8802) with exit door (and presently active, the aircraft I mean). So, that's about the same time as Alaska N704AL (L/N 8789).

On a different...
Forum: Accidents and Close Calls
12th Jan 2024, 09:33
Replies: 1,950
Views: 931,882
Posted By D Bru

Mid-aft emergency exit deployment 737-900ER...

Mid-aft emergency exit deployment 737-900ER (referring to the discussion in this thread about how far the emergency exit can open on it’s bottom hinges, in comparison to the "plug"):
...
Forum: Accidents and Close Calls
10th Jan 2024, 20:38
Replies: 1,950
Views: 931,882
Posted By D Bru

Proportion -900ERs with door plug option

Out of some 500+ 900ERs produced, well over 400 are likely to have the door plug option. This could be actually slightly lower because United's are not all "plugged", related to absorbing...
Forum: Accidents and Close Calls
10th Jan 2024, 17:02
Replies: 1,950
Views: 931,882
Posted By D Bru

Why only MAX-9 grounded and not similarly "plugged" 900ER's?

I'm wondering if there would be a simple reason why it’s only the "plugged" MAX-9 that has been currently grounded and not also the NG-900ER with a similar plug option. I’ve established that for sure...
Forum: Rumours & News
13th Apr 2022, 09:06
Replies: 27
Views: 15,617
Posted By D Bru

Apparently neither wingtip nor pod strike...

Apparently neither wingtip nor pod strike (according to Havarikommissionen 11/4), but No 1 T/R petals not (fully) stowed (either on G/A or landing). IF theory that No 1 T/R petals already didn't...
Forum: Rumours & News
23rd Nov 2020, 03:50
Replies: 1,128
Views: 477,590
Posted By D Bru

MAX with or without MCAS operative compliant....

"Existing FAA regulations (14 CFR 25.21, 25.671, and 25.672) allow for use of stability augmentation systems (such as MCAS) in showing compliance with FAA handling characteristics requirements. The...
Forum: Rumours & News
22nd Nov 2020, 16:02
Replies: 1,128
Views: 477,590
Posted By D Bru

@jimjim & safetypee RE: AOA DISAGREE alert NG not MAX

Many thx.

My point is that if for years and years one has been flying and in particular training for non-normal situations on the NG, the subsequent "unexpected" absence of an AOA DISAGREE alert...
Showing results 1 to 35 of 90
 
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