View Full Version : Report about Air Atlanta B743 engine fire (25th March 2008) published
Nightrider
8th Jul 2011, 07:32
Luckily all escaped, also some with minor injuries, this despite several flaws during the event, read here (http://avherald.com/h?article=43f48353&opt=0)
IFixPlanes
8th Jul 2011, 08:28
I prefer the Final Report from the IAAIB (http://bit.ly/qIpEwJ) (Icelandic Aircraft Accident Investigation Board). ;)
IFixPlanes
8th Jul 2011, 10:30
No. The Final Report was released at 1.Jul.2011:
Flugslys TF-ARS (Boeing 747)*Zia International Airport, Dhaka, Bangladesh ţann 25. mars 2008 | Fréttir | Rannsóknarnefnd flugslysa (http://www.rnf.is/frettir/nr/220)
Any link to your "believe"? :uhoh:
bcgallacher
8th Jul 2011, 10:45
This has been a problem area for many years - I had a similar incident in Riyadh in the mid 80's - fortunately with no fire damage. The pylon area drains were blocked with high temp sealant on assembly and the leak from the Wiggins coupling filled up the pylon. Some months later I had a letter from Boeing asking for a report which I gave them - the result was a check to ensure that all pylon drains were clear. The cause of the leak was hardening of the O ring seals in the fitting - when I removed them they were like hard plastic and square in section. The fitting concerned is used in many locations on 747 aircraft for Fuel lines and on some SP aircraft for hydraulic lines - it is used where some flexibility is required as in this case between pylon and front spar.On several occasions I have seen incorrect assembly which fortunately did not result in fires,in my opinion this type of coupling is a hazard which is of dubious reliability.
Lonewolf_50
8th Jul 2011, 15:06
From the report:
After opening the coupling it was discovered that one of the two retaining rings was missing (See Figure 15) and the O-ring was in the wrong position (not on the fuel line). Therefore the O-ring was probably not sealing as it should when correctly installed.
The total flying hours of the aircraft was 99,327:35 and total cycles were 18,779.
Sorry to see the plane could not be economically repaired, but it looks as though this hull provided many years of service.