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Search: Posts Made By: NSEU
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Forum: Tech Log
25th Apr 2018, 07:50
Replies: 17
Views: 7,232
Posted By NSEU

oops... yes.... disregard :O

oops... yes.... disregard :O
Forum: Tech Log
23rd Apr 2018, 03:18
Replies: 17
Views: 7,232
Posted By NSEU

Thanks, gents. After further investigation,...

Thanks, gents.
After further investigation, there was actually a modification carried out to the FQPU with that on-ground stuff (I think the FQPU already had access to all the data that the new...
Forum: Tech Log
21st Apr 2018, 14:40
Replies: 17
Views: 7,232
Posted By NSEU

It was interesting in the sense the FQIS (or EIU)...

It was interesting in the sense the FQIS (or EIU) would need air/ground and engine run data for the TANK/ENG message. The X-FEED CONFIG message does actually show special logic gates which include...
Forum: Tech Log
21st Apr 2018, 13:13
Replies: 17
Views: 7,232
Posted By NSEU

Thanks, bigduke6. Interesting. I...

Thanks, bigduke6.



Interesting. I can't find any reference to it in the wiring schematics.

The logic in the manuals does mention that the inboards have to be full to start the logic...
Forum: Tech Log
21st Apr 2018, 00:01
Replies: 17
Views: 7,232
Posted By NSEU

Gents, all I'm trying to do is establish whether...

Gents, all I'm trying to do is establish whether or not this arcane logic buried deep in wiring schematics is visible in the real world. The time delay is not mentioned in my rather detailed...
Forum: Tech Log
20th Apr 2018, 10:41
Replies: 17
Views: 7,232
Posted By NSEU

Thanks, gents, but I'm not trying to establish if...

Thanks, gents, but I'm not trying to establish if it's a problem, just that it actually happens. i.e. when the message appears, the inboard tanks are always a few hundred kilos below the outboards.
...
Forum: Tech Log
20th Apr 2018, 02:16
Replies: 17
Views: 7,232
Posted By NSEU

747-400 >FUEL TANK/ENG

Folks... I just noticed that the Boeing wiring schematics show a 120 second time delay in the ">FUEL TANK/ENG" EICAS message logic.

Is it normal to get the message when the inboard wing tanks...
Showing results 1 to 7 of 7


 
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