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Last updated: 26 September 2021
Estado:Final
Fecha:lunes 9 marzo 1992
Hora:15:50
Tipo:Silhouette image of generic L101 model; specific model in this crash may look slightly different
Lockheed L-1011-385-3 TriStar 500
Operador:BWIA International
Registración: 9Y-TGJ
Numéro de série: 1179
Año de Construcción: 1979
Horas Totales de la Célula:33556
Motores: 3 Rolls-Royce RB211-524B4-02
Tripulación:Fatalidades: 0 / Ocupantes: 13
Pasajeros:Fatalidades: 0 / Ocupantes: 173
Total:Fatalidades: 0 / Ocupantes: 186
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:cerca KIRN VOR (   Alemania)
Fase: En ruta (ENR)
Naturaleza:Vuelo Internacional Programado
Aeropuerto de Salida:Frankfurt International Airport (FRA/EDDF), Alemania
Aeropuerto de Llegada:Saint Lucia-Hewanorra Airport (UVF/TLPL), Santa Lucía
Número de Vuelo: 981
Descripción:
Fifteen minutes after takeoff from Frankfurt Airport, while climbing through FL100 the translating cowl of the no. 1 engine thrust reverser became detached, struck the leading edge of the left horizontal stabiliser and fell to the ground. The commander subsequently shut down the engine and diverted to London Heathrow Airport where an uneventful overweight landing was made. The aircraft had had two previous malfunctions of the No 1 engine thrust reverser system.

Probable Cause:

CAUSES: (1) The ground engineer took actions which were not supported by his knowledge of the aircraft and, unrealised by him, were not mandated by the Master Minimum Equipment List.; (2) The ground engineer's supervisors failed to identify that an incorrect procedure had been followed although he had communicated his actions clearly to them.; (3) Damage became evident which was probably an indication of progressive cowl failure but it was not recognised as such."

Accident investigation:
cover
Investigating agency: AAIB
Status: Investigation completed
Duration: 1 year and 2 months
Accident number: AAIB AAR 3/1993
Download report: Final report


Subsiguiente / acciones de seguridad

AAIB issued 2 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 Frankfurt International Airport to Saint Lucia-Hewanorra Airport as the crow flies is 7329 km (4580 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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