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Accident
Last updated: 24 October 2017
Estado:Final
Fecha:domingo 15 diciembre 1985
Hora:14:50
Tipo:Silhouette image of generic B741 model; specific model in this crash may look slightly different
Boeing 747-136
Operador:British Airways
Registración: G-AWNE
Numéro de série: 19765/109
Año de Construcción: 1971
Horas Totales de la Célula:55667
Tripulación:Fatalidades: 0 / Ocupantes: 17
Pasajeros:Fatalidades: 0 / Ocupantes: 252
Total:Fatalidades: 0 / Ocupantes: 269
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:Boston-Logan International Airport, MA (BOS) (   Estados Unidos de América)
Fase: Aproximación (APR)
Naturaleza:Vuelo Internacional Programado
Aeropuerto de Salida:London-Heathrow Airport (LHR/EGLL), Reino Unido
Aeropuerto de Llegada:Boston-Logan International Airport, MA (BOS/KBOS), Estados Unidos de América
Descripción:
Approximately 16 ft of the left inboard trailing edge flap separated while the aircraft was on final approach to land at Boston-Logan Airport. The approach and landing were completed without further incident. Investigation revealed 5 of the 8 bolts which hold the no. 3 flap track forward attach fitting to the wing showed signs of fatigue and the 3 remaining bolts showed overload type failures. No inspection requirements for the forward attachment bolts were required by Boeing at the time of the accident.

Probable Cause:

PROBABLE CAUSE:
flight control,flap attachment..fatigue

CONTRIBUTING FACTORS:
flight control,flap attachment..failure,partial
acft/equip,inadequate airframe..manufacturer
insufficient standards/requirements,manufacturer..manufacturer
maintenance..inadequate..manufacturer
maintenance,inspection..inadequate..manufacturer

Fuentes:
» NTSB


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NTSB issued 3 Safety Recommendations

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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 London-Heathrow Airport to Boston-Logan International Airport, MA as the crow flies is 5201 km (3251 miles).

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