Accident
Last updated: 30 October 2014
Status:Schlussbericht
Datum:Samstag 30 Dezember 1989
Zeit:19:10
Flugzeugtyp:Silhouette image of generic B732 model; specific model in this crash may look slightly different
Boeing 737-204
Fluggesellschaft:America West Airlines
Kennzeichen: N198AW
Werknummer: 19710/54
Baujahr: 1968-08-02 (21 years 5 months)
Betriebsstunden:62466
Anzahl Zyklen der Zelle:38827
Triebwerk: 2 Pratt & Whitney JT8D-9A
Besatzung:Todesopfer: 0 / Insassen: 5
Fluggäste:Todesopfer: 0 / Insassen: 125
Gesamt:Todesopfer: 0 / Insassen: 130
Sachschaden: schwer beschädigt
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Tucson International Airport, AZ (TUS) (   USA) show on map
Flugphase: Landung (LDG)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Phoenix-Sky Harbor International Airport, AZ (PHX/KPHX), USA
Flug nach:Tucson International Airport, AZ (TUS/KTUS), USA
Unfallbericht:
While descending to Tucson, a 115Volt AC wire of the no. 2 'B' hydraulic pump shorted and punctured a hydraulic system 'A' line. As the aircraft was approaching the airport a fire erupted and burned through to the electrical power wires to the standby hydraulic pump. After landing at Tucson, the aircraft overran the runway, collided with an abandoned concrete arresting gear structure, shearing off the nosegear and continued to slide for 3803 feet.

PROBABLE CAUSE: "Failure of the operator's maintenance personnel to detect an electrical wire which had chafed against a hydraulic line and which eventually arced causing a leak in the hydraulic line and subsequent fire and hydraulic system failure. In addition, previous wear of check valves in the backup hydraulic systems prevented the airplane from stopping on the runway. A contributing factor was the airplane manufacturer's inadequate guidance for maintaining the hydraulic components. "

Informationsquelle:
» ICAO Summary 1/94 (#26)
» NTSB


Fotos

photo of Boeing 737-204 N198AW
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Phoenix-Sky Harbor International Airport, AZ to Tucson International Airport, AZ as the crow flies is 176 km (110 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s 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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