Incident
Last updated: 17 April 2014
Status:Definitief
Datum:vrijdag 19 augustus 1983
Tijd:18:20 MDT
Type:Silhouette image of generic B762 model; specific model in this crash may look slightly different
Boeing 767-222
Luchtvaartmaatschappij:United Air Lines
Registratie: N609UA
Constructienummer: 21870/13
Bouwjaar: 1982-07-19 (1 year 1 months)
Aantal vlieguren:2372
Motoren: 2 Pratt & Whitney JT9D-7R4D
Bemanning:slachtoffers: 0 / inzittenden: 8
Passagiers:slachtoffers: 0 / inzittenden: 197
Totaal:slachtoffers: 0 / inzittenden: 205
Schade: Geen
Plaats:74 km (46.3 mijl) W of Denver, CO (   Verenigde Staten) show on map
Fase: Kruisvlucht (ENR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Los Angeles International Airport, CA (LAX/KLAX), Verenigde Staten
Vliegveld van aankomst:Denver-Stapleton International Airport, CO (DEN/KDEN), Verenigde Staten
Vluchtnummer: 310
Beschrijving:
The aircraft was descending from FL410 with the throttles at idle. As power was added at FL295 the left engine surged and exceeded maximum EGT. Eighteen seconds later the right engine surged and exceeded its maximum EGT. The left and right engines were shut down at FL200 and FL177 respectively. The engines were successfully restarted about FL150. The inability of the engines to accelerate after the manually induced surge was due to contaminated fuel nozzles which significantly reduced combustion chamber efficiencies & which resulted in a subidle stall. On March 31, 1986 this same aircraft (N609UA) again suffered a double engine flameout.

PROBABLE CAUSE: "Fuel system, nozzle..contamination".

Bronnen:
» NTSB/AAR-85/01/SUM


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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Los Angeles International Airport, CA en Denver-Stapleton International Airport, CO bedraagt 1356 km (848 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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