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Last updated: 25 September 2021
Status:Definitief
Datum:maandag 9 maart 1992
Tijd:15:50
Type:Silhouette image of generic L101 model; specific model in this crash may look slightly different
Lockheed L-1011-385-3 TriStar 500
Luchtvaartmaatschappij:BWIA International
Registratie: 9Y-TGJ
Constructienummer: 1179
Bouwjaar: 1979
Aantal vlieguren:33556
Motoren: 3 Rolls-Royce RB211-524B4-02
Bemanning:slachtoffers: 0 / inzittenden: 13
Passagiers:slachtoffers: 0 / inzittenden: 173
Totaal:slachtoffers: 0 / inzittenden: 186
Schade: Groot
Gevolgen: Repaired
Plaats:nabij KIRN VOR (   Duitsland)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Frankfurt International Airport (FRA/EDDF), Duitsland
Vliegveld van aankomst:Saint Lucia-Hewanorra Airport (UVF/TLPL), Saint Lucia
Vluchtnummer: 981
Beschrijving:
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


Veiligheidsmaatregelen

AAIB issued 2 Safety Recommendations

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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Frankfurt International Airport en Saint Lucia-Hewanorra Airport bedraagt 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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