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Last updated: 20 September 2021
Status:Schlussbericht
Datum:Montag 9 März 1992
Zeit:15:50
Flugzeugtyp:Silhouette image of generic L101 model; specific model in this crash may look slightly different
Lockheed L-1011-385-3 TriStar 500
Fluggesellschaft:BWIA International
Kennzeichen: 9Y-TGJ
Werknummer: 1179
Baujahr: 1979
Betriebsstunden:33556
Triebwerk: 3 Rolls-Royce RB211-524B4-02
Besatzung:Todesopfer: 0 / Insassen: 13
Fluggäste:Todesopfer: 0 / Insassen: 173
Gesamt:Todesopfer: 0 / Insassen: 186
Sachschaden: schwer beschädigt
Konsequenzen: Repaired
Unfallort:nahe KIRN VOR (   Deutschland)
Flugphase: Während des Fluges (ENR)
Betriebsart:Internationaler Linienflug
Flug von:Frankfurt International Airport (FRA/EDDF), Deutschland
Flug nach:Saint Lucia-Hewanorra Airport (UVF/TLPL), St. Lucia
Flugnummer: 981
Unfallbericht:
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


Sicherheitsempfehlungen

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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