Accident
Last updated: 24 September 2014
Status:Schlussbericht
Datum:Sonntag 28 November 2004
Zeit:18:50
Flugzeugtyp:Silhouette image of generic B734 model; specific model in this crash may look slightly different
Boeing 737-406
Fluggesellschaft:KLM Royal Dutch Airlines
Kennzeichen: PH-BTC
Werknummer: 25424/2200
Baujahr: 1992-01-09 (12 years 11 months)
Betriebsstunden:31756
Anzahl Zyklen der Zelle:22156
Triebwerk: 2 CFMI CFM56-3C1
Besatzung:Todesopfer: 0 / Insassen: 6
Fluggäste:Todesopfer: 0 / Insassen: 140
Gesamt:Todesopfer: 0 / Insassen: 146
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Barcelona Airport (BCN) (   Spanien) show on map
Flugphase: Landung (LDG)
Betriebsart:Internationaler Linienflug
Flug von:Amsterdam-Schiphol International Airport (AMS/EHAM), Niederlande
Flug nach:Barcelona Airport (BCN/LEBL), Spanien
Flugnummer:1673
Unfallbericht:
At 16:46 KLM Flight 1673 departed Amsterdam for Barcelona. Upon rotation from runway 18L the aircraft suffered a bird strike. A bird collided with the nose gear. The gear was retracted normally and there was no abnormal indication in the cockpit. The crew reported the impact to the ATC and the flight to Barcelona continued normally. The aircraft touched down on Barcelona's runway 25R. After touchdown of the nose landing gear, the aircraft started deviating to the left of the runway centreline. The veering to the left continued and the aircraft left the paved surface of the runway and went through an area of soft sand where some construction works were being carried out. The nose landing gear leg collapsed rearwards and the left main landing gear leg detached from its fittings shortly before the aircraft came to a stop close to the edge of a rain drainage canal. The final position of the aircraft was at a longitudinal distance of approximately 1606 m from runway 25R threshold, and at a lateral distance of approximately 84 m from the runway centreline.

CAUSES: "It is considered that the accident probably happened because during the takeoff a bird strike broke one of the cables of the nose wheel steering system of the aircraft and jammed the other, which made that the nose wheels were rotated to the left during landing, causing a veering to the left that could not be arrested by full rudder deflection as the aircraft decelerated. The subsequent application of brakes and other actions by the crew could not avoid that the aircraft went outside the runway surface.
The damages to the aircraft were increased by the condition of the runway strip due to the airport construction works.
Contributing to the breaking of the cable was the fact that it was severely worn locally. The wear could be traced back to the incorrect application of grease to the cable system during maintenance. Despite the training and experience of the flight crew, they were unable to quickly recognize the possible cause of the deviation of the aircraft and to keep the aircraft on the runway."

Informationsquelle:
» CIAIAC


Fotos

photo of Boeing 737-406 PH-BTC
photo of Boeing 737-406 PH-BTC
photo of Boeing 737-406 PH-BTC
photo of Boeing 737-406 PH-BTC
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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 Amsterdam-Schiphol International Airport to Barcelona Airport as the crow flies is 1232 km (770 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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