ASN Wikibase Occurrence # 21865
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| Date: | Wednesday 30 July 2008 |
| Time: | 08:40 |
| Type: |  Boeing 777-26KER |
| Owner/operator: | Vietnam Airlines |
| Registration: | VN-A146 |
| MSN: | 33505/486 |
| Year of manufacture: | 2004 |
| Fatalities: | Fatalities: 0 / Occupants: 277 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Tokyo-Narita International Airport (NRT/RJAA) -
 Japan
|
| Phase: | Standing |
| Nature: | Passenger - Scheduled |
| Departure airport: | SGN |
| Tokyo/Narita International Airport (NRT/RJAA) | |
| Investigating agency: | JTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Boeing 777-200, registered VN-A146, operated by Vietnam Airlines as scheduled Flight HVN950, landed at Narita International Airport. At about 07:44, while taxiing, the right engine fire warning alarm activated. The crew shut down the engine and then triggered the fire-extinguishing system, following which the fire warning alarm stopped. Subsequently, after the aircraft arrived at the ramp and all passengers and crewmembers had
disembarked, the right engine caught fire; the fire was extinguished by the firefighting squad that had
been waiting there ready for operation.
There were 277 people on board, consisting of the Pilot in Command, the First Officer, 11 other crewmembers and 264 passengers. There were no injuries. The aircraft sustained minor damage.
PROBABLE CAUSE
It is considered highly probable that fuel leaked from the fuel supply hose of the right engine while the Aircraft was taxiing after landing, and that the leaking fuel caught fire, resulting in this serious incident.
It is considered possible that fuel leaked due to a gap in the O-ring that was created when the O-ring was pinched and severed during installation of the fuel supply hose.
It is considered possible that the installation of the O-ring which was smaller in size and easily loosened, as well as the non-use of lubricant, contributed to the pinching.
Accident investigation:
 |
|
Sources:
http://www.mlit.go.jp/jtsb/eng-air_report/VN-A146.pdf
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Jul-2008 21:01 | UNGN | Added |
| 31-Jul-2008 05:19 | Anon. | Updated |
| 24-Apr-2010 11:00 | harro | Updated [Aircraft type, Cn, Operator, Source, Narrative] |
| 24-Apr-2010 11:01 | harro | Updated [Location, Narrative] |
Corrections or additions? ... Edit this accident description
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