Descripción del Accidente ASN 15 DEC 1985 Boeing 747-136 G-AWNE - Boston-Logan International Airport, MA (BOS)
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Estado:Accident investigation report completed and information captured
Fecha:domingo 15 diciembre 1985
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
Número de Vuelo:BA215
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:

flight control,flap attachment..fatigue

flight control,flap attachment..failure,partial
acft/equip,inadequate airframe..manufacturer
insufficient standards/requirements,manufacturer..manufacturer

Accident investigation:

Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 7 months
Accident number: NTSB/AAR-87/02/SUM
Download report: Summary report


Subsiguiente / acciones de seguridad

NTSB issued 3 Safety Recommendations

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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).

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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