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Preliminary report on Cathay Pacific aircraft accident released

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Preliminary report on Cathay Pacific aircraft accident released

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Old 12th Aug 2010, 01:03
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First hand version of HK CAD update of 11 Aug 2010 off their website:

http://www.cad.gov.hk/reports/AB-03-2010e.pdf

spheres huh?
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Old 12th Aug 2010, 02:04
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Mud or cement maybe? Guess that will wait the lab analysis
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Old 12th Aug 2010, 02:06
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It's a tad worrying that said 'spheres' were able to travel through every filter in the system before seizing the fuel metering valves...
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Old 12th Aug 2010, 02:25
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Are they going to check other aircraft that uplifted fuel to see if there are any of these spheres in parts of the system or in engine/fuel components?
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Old 12th Aug 2010, 10:54
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Already did, not many people know HLM the previous days SUB flight had EPR fluctuations but obviously not to HLL effect. On the day of LL, LM was grounded for fuel system decontamination and cleaning as precaution, the only difference the fuel samples were not investigated by AIB, only in-house.
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Old 12th Aug 2010, 23:00
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It would be interesting to know whether any of the fuel farm tanks at SUB had any work done on them on the days and weeks prior to this event. This contaminant sounds very much like they could have used some form of high pressure abrasive cleaning to possibly remove corrosion from the inside of the tank/s and then didn’t clean them out correctly after the job was done.
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Old 12th Aug 2010, 23:03
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The subject flight had used one of the new gates at the terminal - with new piping to the fuel hydrant.

Next question: Why didn't the fuel filtering on the fuel truck stop the **** from being pumped into the aeroplane fuel tanks? The truck filters are much finer than those on the aeroplane and they should have stop this event from occurring.
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Old 13th Aug 2010, 00:53
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Not a new gate, but there has been an extension to the apron there and hence new sections of fuel piping were laid under the tarmac. The local engineer says they didn't flush out the dirt from the pipes but just started using it almost immediately. I guess they did not want to waste any fuel even if the first few loads were contaminated!
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Old 13th Aug 2010, 04:37
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Surprising that nobody has commented on the fact that no other operators a/c departing SUB at that time reported falling out of the sky.......or is that because duller than dishwater CX were the only airline to use the 'new' hydrant. It is only a rumour of course that all other airlines using SUB were aware of the maintenance and refused to use the fuel.
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