Posts by user "fgrieu" [Posts: 5 Total up-votes: 0 Pages: 1]

fgrieu
June 14, 2025, 08:05:00 GMT
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Post: 11901232
Is there a better version of the video ?

Is there a better version of the well-known 23" video on X (formerly twitter), showing the end of the flight from the right of the path, with audio?
The URL is x.com/krok7517100/status/1933089931347345596 with the obvious before it.

Last edited by fgrieu; 14th June 2025 at 08:10 . Reason: Link did not show

Subjects: None

fgrieu
June 15, 2025, 19:14:00 GMT
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Post: 11902739
Greek journal's report based on a forgery

This page https://i1.prth.gr/images/w880/jpg/f...air-india.webp (update: also https://www.protothema.gr/images/w13.../air-india.jpg ) is an alleged summary of the preliminary report, posted by the Greek journal. One suspicious thing is it lists the URL of the report, but that's 404.

I'm posting this so that others can scrutinize the thing.

[update] The more I look at it, the less I believe it. The "Immediate ActionsTaken" and "Next Step" sections could not be in a preliminary report at this stage. Some details are wrong (like the state of the surviving passenger) or made up (the FAA emergency AD 2025-16-51 listed as source is not there: https://drs.faa.gov/browse/ADFREAD/doctypeDetails ).

Last edited by fgrieu; 16th June 2025 at 03:08 . Reason: update

Subjects (links are to this post in the relevant subject page so that this post can be seen in context): Air Worthiness Directives  FAA  Preliminary Report

fgrieu
June 16, 2025, 03:39:00 GMT
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Post: 11903081
Among the most interesting of the Times article:
The Indian authorities confirmed on Sunday that the 787 (...) struggled to become airborne, using almost all of the 3,500m runway. That is notably more than the length that would have been calculated by the plane’s computer for the hot conditions and heavy load that day.
I wish we had quotes of "the Indian authorities".

Subjects: None

fgrieu
June 16, 2025, 05:28:00 GMT
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Post: 11903104
Trouble before rotation ?

Based on the video taken from the left of the flight path, can we determine at what point of the runway rotation occurred? Is there positive confirmation that the takeoff roll started at the beginning of the runway ? Are the two indicative of trouble before rotation, as the Times states ?
The Indian authorities confirmed on Sunday that the 787 (...) struggled to become airborne, using almost all of the 3,500m runway. That is notably more than the length that would have been calculated by the plane\x92s computer for the hot conditions and heavy load that day.
Source: https://www.thetimes.com/world/asia/...rash-vhqw6b7v3 (paywalled)

Last edited by fgrieu; 16th June 2025 at 05:32 . Reason: Add title and reference

Subjects (links are to this post in the relevant subject page so that this post can be seen in context): Takeoff Roll

fgrieu
July 16, 2025, 11:47:00 GMT
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Post: 11923668
Replacement of throttle control module, wiring of fuel control switches

The preliminary report states:
The scrutiny of maintenance records revealed that the throttle control module was replaced on VT-ANB in 2019 and 2023. However, the reason for the replacement was not linked to the fuel control switch.
How common is such a repeated replacement of the throttle control module?
Are there records that on this or similar type, after a replacement of the throttle control module, the fuel control switches became defective, and how ?
What type of switches are they: SPST, SPDT with 3 wires used ? For SPST or equivalent, is "cutoff" the "make" or "break" state ?
Is there a common connection for the two switches, like a ground return or common live?

Subjects (links are to this post in the relevant subject page so that this post can be seen in context): Fuel (All)  Fuel Cutoff Switches  Preliminary Report