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Statuts:Enquête Officielle
Date:lundi 8 juillet 1991
Heure:20:36
Type/Sous-type:Silhouette image of generic B703 model; specific model in this crash may look slightly different
Boeing 707-323C
Compagnie:Southern Air Transport
Immatriculation: N8404
Numéro de série: 19582/663
Année de Fabrication: 1967-12-29 (23 years 7 months)
Equipage:victimes: 0 / à bord: 3
Passagers:victimes: 0 / à bord: 0
Total:victimes: 0 / à bord: 3
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Denver International Airport, CO (DEN) (   Etats-Unis d'Amérique)
Phase de vol: Au décollage (TOF)
Nature:Cargo
Aéroport de départ:Denver International Airport, CO (DEN/KDEN), Etats-Unis d'Amérique
Aéroport de destination:Kansas City International Airport, MO (MCI/KMCI), Etats-Unis d'Amérique
Détails:
During take-off, the pilot felt and heard a thump during rotation. The aircraft would not pressurize, and lost the utility hydraulic fluid. An aircraft on a subsequent take-off reported what appeared to be landing gear debris on the runway. After circling for one hour to burn off fuel, and conducting a tower fly by, the aircraft landed without the nosewheel gear on a foamed runway.

During rotation the nose gear separated. As the aircraft passed over it the belly of the aircraft was damaged. Take-off was completed and an emergency landing was conducted with the main gear and the stub of the nose gear shock strut extended.
Disassembly of the shock strut inner cylinder revealed the absence of several parts. The area where these parts are located is a sealed area that was not compromised. This discrepancy allowed a retention nut to back off which resulted in nose gear separation. The nose gear assembly was overhauled on 9 April 1985.

Probable Cause:

Improper overhaul of the nose gear assembly by other maintenance personnel.

Accident investigation:
cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 2 years
Download report: Final report
Language: English


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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 Denver International Airport, CO et Kansas City International Airport, MO est de 850 km (531 miles).

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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