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Search: Posts Made By: grebllaw123d
Showing results 1 to 13 of 13
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Forum: Rumours & News
8th Sep 2008, 11:24
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Ice or ??

Poof in Boots,

"In spite of many months of investigations and now the AAIB preliminary findings, talking to my Flight Crew colleagues on the 777, none of them seem to believe that ice was the...
Forum: Rumours & News
7th Sep 2008, 15:55
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Fuel piping dimensions?

I think that I have read all the posts on this thread.

But I do not think that the following questions have been put forward - correct me if I am wrong!

Anybody knows the dimensions of the...
Forum: Rumours & News
5th Sep 2008, 11:30
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Amount of water in the fueltanks on BA038

I have just read the latest report - interesting reading and thorough work, but many questions remain.

According the report (page 12): the estimated amount of water in the tanks at departure from...
Forum: Rumours & News
5th Mar 2008, 18:43
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Re post #608

I qoute from post #608:

"On the 29/02 on the french "rcoco.com" forum, one of the contributor joined to his post a report about the fuel scavenge system on the 777-300ER/777-200LR aircraft. I...
Forum: Rumours & News
23rd Feb 2008, 19:55
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

SyEng,

You write:

"As far as systems common-mode failure sources are concerned, the only possibility that has occurred to me so far is that the fuel feed system allows both engines to be fed...
Forum: Rumours & News
22nd Feb 2008, 21:08
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Joetom,

According the AAIB report:


"The fuel crossfeed valves indicated that they were closed and they had not been operated during the flight."
Forum: Rumours & News
22nd Feb 2008, 20:03
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

SyEng,

I am still reading your interesting post #306!:)

A few questions/comments:

You state: "CT water scavenge jet pumps get motive flow from the CT boost pumps, so only operated when CT boost...
Forum: Rumours & News
22nd Feb 2008, 13:35
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

CTR tank water scavenge pumps.

Swedish Steve,

You say that the CTR tank water scavenge pumps are ALWAYS running.

But you also state that their "power supply" comes from the tank booster pumps outlets.

My question is...
Forum: Rumours & News
21st Feb 2008, 21:13
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

nickeyjsmith,

You wrote:

What if something was frozen in the system, defrosted and moved to cause an obstruction during the descent ? the aircraft is symmetrical, are the tank layouts ?
Just a thought, as if...
Forum: Rumours & News
19th Feb 2008, 20:44
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Pinkman,

You say:

"is there concievably a flight mode or condition such that when one engine unexpectedly loses power (eg if fuel feed blocked by a red plastic scraper) the other engine is electronically...
Forum: Rumours & News
19th Feb 2008, 18:54
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Fuel quantity..

sispanys ria,

You are right - only the indicated fuel quantity is mentioned in the report, but the report also mentions that samples have been taken from the 2 wing tanks.

Later in the report...
Forum: Rumours & News
18th Feb 2008, 21:59
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

X-feed and APU..

I imagine that these actions were initiated by the pilot in the middle (relief pilot or whatever he is called in BA).
Maybe not SOP - but sensible actions in a very stressful and confusing...
Forum: Rumours & News
18th Feb 2008, 20:28
Replies: 3,239
Views: 1,137,497
Posted By grebllaw123d

Cavitation..????

Mind the following information given in the report:

"The manufacturer assessed both pumps as still being capable
of delivering full fuel flow."
Showing results 1 to 13 of 13


 
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