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Last updated: 23 October 2019
Statuts:Enquête Officielle
Date:jeudi 3 mars 2016
Heure:21:52
Type/Sous-type:Silhouette image of generic B739 model; specific model in this crash may look slightly different
Boeing 737-95R
Compagnie:Jet Airways
Immatriculation: VT-JGD
Numéro de série: 33740/1350
Année de Fabrication: 2003-07-02 (12 years 8 months)
Heures de vol:36560
Cycles:21426
Moteurs: 2 CFMI CFM56-7B24
Equipage:victimes: 0 / à bord: 8
Passagers:victimes: 0 / à bord: 120
Total:victimes: 0 / à bord: 128
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Mumbai-Chhatrapati Shivaji International Airport (BOM) (   Inde)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:Delhi-Indira Gandhi International Airport (DEL/VIDP), Inde
Aéroport de destination:Mumbai-Chhatrapati Shivaji International Airport (BOM/VABB), Inde
Numéro de vol:9W354
Détails:
Jet Airways flight 9W354 was involved in an accident after landing at Mumbai-Chhatrapati Shivaji International Airport, India.
The aircraft landed safely on runway 27 and was about to vacate the runway via taxiway N9 when the right main landing gear collapsed. There were no injuries to any person onboard the aircraft. The aircraft sustained substantial damage.
The landing was carried out by co-pilot and captain was carrying out Supervised Line Flying (SLF). During landing flare, aircraft floated a little and the touchdown was normal. The aircraft landed with a vertical acceleration of 1.44 G. About 16 seconds after touch down, at a speed of around 58 kts, there was right roll of 4.57° and the aircraft started veering to the right with a noise which felt like a tire burst to the cockpit crew. To maintain directional control first officer moved the tiller. The aircraft vacated via taxiway N9 and stopped on the taxiway with the tail of the aircraft not fully clear of runway 27. Taxiway N9 is about 2600 meters/8550 feet down the runway 27.
Flaps were moved to 40, in case if the situation warranted an evacuation. Thereafter, the captain contacted the Jet Airways dispatcher. Also, the APU was started and engine no.2 was shut down, followed by engine no.1.
Meanwhile the airport fire service attended as the ATC controller had observed sparks from the right side of the aircraft after landing. On arrival of passenger stairs, the occupants were safely disembarked through the L1 door and no emergency evacuation was carried out.

An investigation revealed that a main landing gear aft trunnion pin had failed as a result of improper grinding during overhaul. Several trunnion pins were overhauled by the same company. The first failure occurred on April 13, 2015 to a Jet Airways Boeing 737-800. During landing rollout at Khajuraho Airport, the left hand main gear aft trunnion pin failed.
According to maintenance records two sets of trunnion pins had been overhauled. As a precautionary measure, on 20 August 2015, the aft trunnion pins of VT-JGC were removed from the aircraft. After the accident involving VT-JGD, it appeared from maintenance records that in fact three sets of trunnion pins (including VT-JGD) had been overhauled by the same company.

Probable Cause:

PROBABLE CAUSE OF THE ACCIDENT: The Committee of inquiry determined the cause of accident as "The RH Aft landing Gear trunnion pin failed due to base metal heat damage as a result of abusive grinding of the chrome plate that likely occurred during the last overhaul".

Accident investigation:
cover
Investigating agency: AAIB India
Status: Investigation completed
Duration: 1 year and 10 months
Accident number: Final report
Download report: Final report

Sources:
» Boeing 737-800 VT-JGA 13 April 2015 accident, same cause

METAR Weather report:
16:00 UTC / 21:30 local time:
VABB 031600Z 23007KT 3000 FU FEW100 32/15 Q1013 NOSIG

16:30 UTC / 22:00 local time:
VABB 031630Z 02003KT 3000 FU FEW100 32/15 Q1013 NOSIG

17:00 UTC / 22:30 local time:
VABB 031700Z 30006KT 3000 FU NSC 31/15 Q1014 NOSIG


Opérations de secours

AAIB India issued 2 Safety Recommendations

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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Delhi-Indira Gandhi International Airport et Mumbai-Chhatrapati Shivaji International Airport est de 1131 km (707 miles).

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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