744 Forum

Apron => Hangar 7 => Topic started by: Walter Kranl on Sat, 12 Jun 2021 16:38

Title: New 747 video
Post by: Walter Kranl on Sat, 12 Jun 2021 16:38
https://www.youtube.com/watch?v=_TN7A8_GQTM&t=2538s

Enjoy!
Title: Re: New 747 video
Post by: Hardy Heinlin on Sat, 12 Jun 2021 19:38
https://youtu.be/_TN7A8_GQTM?t=8743

At 1200 RA on the final he retracts the flaps from 30 to 25. Maybe they planned 25 and just inadvertently placed the lever one notch too far?

In can't see the flaps, but at 1200 RA the red speed tape goes up to 205 which is the limit for flap 25 :-)


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Title: Re: New 747 video
Post by: Walter Kranl on Sat, 12 Jun 2021 19:59
I noticed that they started the engines one by one instead 3+4 & 1+2, although they have AUTOSTART ON.
Is there a reason to do so?

Walter
Title: Re: New 747 video
Post by: Will on Sat, 12 Jun 2021 20:03
What page is on the secondary EICAS at 43:00?
Title: Re: New 747 video
Post by: glubbfreund on Sun, 13 Jun 2021 11:54
Quote from: Will on Sat, 12 Jun 2021 20:03
What page is on the secondary EICAS at 43:00?

I asked myself the same as I saw that.
Title: Re: New 747 video
Post by: Markus Vitzethum on Sun, 13 Jun 2021 12:31
Might be a maintenance page (CMC?). There are more of those...

e.g. https://www.airliners.net/photo/Lufthansa/Boeing-747-430M/428859/L

Markus
Title: Re: New 747 video
Post by: Hardy Heinlin on Sun, 13 Jun 2021 13:20
Yes, these are maintenance pages, selectable through the CMC.
Title: Re: New 747 video
Post by: Avi on Mon, 14 Jun 2021 00:30
To be very precise, this is the CMC maintenance Environment Control System (Air Supply System, these is also Air Conditioning System) page.

In CMC-PSX there are no maintenance pages in the lower EICAS but you can print a report that simulates it.

Here is the equivalent report:

(https://www.hoppie.nl/forum/var/2021-06-13_23.28.38_Pic_311.jpg)

Markus's photo is the Flight Control page.

Cheers,
Title: Re: New 747 video
Post by: Mariano on Mon, 14 Jun 2021 07:32
Walter,

I believe that if OAT is 30C or above, engines must be started one at a time.

Note: I have not seen the video, so I do not know the OAT thus, this statement might be inaccurate for this specific case.

Regards,

Mariano
Title: Re: New 747 video
Post by: John H Watson on Mon, 14 Jun 2021 15:38
https://youtu.be/_TN7A8_GQTM?t=1915

@ 31:56 in that video, during the walkaround, the F/O talks about leaks from the flap drive fairings (pods). There is nothing inside those that would leak. There are only greased mechanical drives.

@ 38:03
That dripping is melting ice. It often falls from this area, as warm fuel is loaded into the tanks, but I sometimes checked it to make sure it wasn't fuel.

https://youtu.be/_TN7A8_GQTM?t=7950

Does anyone know what he means by GPS jamming causing ATC LEFT/RIGHT Status messages?
Title: Re: New 747 video
Post by: garys on Mon, 14 Jun 2021 17:13
Quote from: John H Watson on Mon, 14 Jun 2021 15:38
https://youtu.be/_TN7A8_GQTM?t=1915

@ 31:56 in that video, during the walkaround, the F/O talks about leaks from the flap drive fairings (pods). There is nothing inside those that would leak. There are only greased mechanical drives.

Any leaks coming from flap fairings are usually associated with hydraulic leaks from the spoiler or aileron systems. Not very common. In cold climates de-icing fluid and melting ice is normal to see during the winter months.