Crash-aerien 22 NOV 2019 d'un Boeing 737-401 YV3012 - Bogotá-Eldorado Airport (BOG)
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Statuts:Accident investigation report completed and information captured
Date:vendredi 22 novembre 2019
Heure:19:16
Type/Sous-type:Silhouette image of generic B734 model; specific model in this crash may look slightly different
Boeing 737-401
Compagnie:Avior - Aviones de Oriente
Immatriculation: YV3012
Numéro de série: 23990/1732
Année de Fabrication: 1989-06-02 (30 years 6 months)
Heures de vol:69156
Moteurs: 2 CFMI CFM56-3B2
Equipage:victimes: 0 / à bord: 8
Passagers:victimes: 0 / à bord: 91
Total:victimes: 0 / à bord: 99
Dégats de l'appareil: Substantiels
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Bogotá-Eldorado Airport (BOG) (   Colombie)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Intern.
Aéroport de départ:Valencia Airport (VLN/SVVA), Vénézuela
Aéroport de destination:Bogotá-Eldorado Airport (BOG/SKBO), Colombie
Numéro de vol:9V1400
Détails:
Avior flight 1400, a Boeing 737-400, suffered a collapse of the right-hand main landing gear after touchdown on runway 13L at Bogotá-Eldorado Airport, Colombia.
The crew was able to partially clear the runway along taxiway A8, where the aircraft finally came to a stop.
The accident occurred in night and visual conditions. There was no fire; there were no injuries to persons.

Probable Cause:

The investigation determined that the accident was caused by the following probable causes:
- Partial collapse of the right main landing gear mechanism during the landing run.
- Failure of the right main landing gear mechanism upon separation of the Lower Drag Strut (LDS) and Door Fitting Side Strut (DFST) as a result of the Tee-bolt (TB) failure. During the sequence of events, the nut, washer and body of the Tee-bolt crossed the diameters of the LDS and DFST, producing an unbalance of forces in the mechanism and the partial collapse of the system due to the weight of the aircraft.
The following were identified as contributing factors in the occurrence of the accident:
- Inadequate dimensions of the T-Bolt component during the machining process, since in order to perform this work, the supplementary information of the Component Maintenance Manual (CMM) provided by the former operator of the aircraft was taken into account, which was not reviewed to verify its technical accuracy by the manufacturer.
- Failure to comply with Service Bulletin (SB) No. 737-32-1501, which established the verification of the dimensions of the Tee-bolt and its immediate replacement, in case it did not meet the manufacturer's specifications.

Accident investigation:

cover
Investigating agency: Aerocivil Colombia
Status: Investigation completed
Accident number: COL-19-65-GIA
Download report: Final report

Sources:
» torreeldorado.co

METAR Weather report:
00:00 UTC / 19:00 local time:
SKBO 230000Z 25003KT 9999 SCT017 13/11 A3029 NOSIG

01:00 UTC / 20:00 local time:
SKBO 230100Z 29004KT 9999 FEW015 SCT200 12/10 A3030 NOSIG


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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Valencia Airport et Bogotá-Eldorado Airport est de 910 km (569 miles).
Accident location: Exact; as reported in the official accident report.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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Boeing 737-400

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  • 26ème loss
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