Accident Boeing 737-95R VT-JGD, Thursday 3 March 2016
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Date:Thursday 3 March 2016
Type:Silhouette image of generic B739 model; specific model in this crash may look slightly different    
Boeing 737-95R
Owner/operator:Jet Airways
Registration: VT-JGD
MSN: 33740/1350
Year of manufacture:2003
Total airframe hrs:36560 hours
Cycles:21426 flights
Engine model:CFMI CFM56-7B24
Fatalities:Fatalities: 0 / Occupants: 128
Other fatalities:0
Aircraft damage: Substantial, repaired
Location:Mumbai-Chhatrapati Shivaji International Airport (BOM) -   India
Phase: Landing
Nature:Passenger - Scheduled
Departure airport:Delhi-Indira Gandhi International Airport (DEL/VIDP)
Destination airport:Mumbai-Chhatrapati Shivaji International Airport (BOM/VABB)
Investigating agency: AAIB India
Confidence Rating: Accident investigation report completed and information captured
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 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".


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

Accident investigation:
Investigating agency: AAIB India
Report number: Final report
Status: Investigation completed
Duration: 1 year and 9 months
Download report: Final report


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


Revision history:


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