B734, Kabul Afghanistan, 2016

B734, Kabul Afghanistan, 2016

Summary

On 10 December 2016, a Boeing 737-400 main gear leg collapsed on landing after an approach at excessive speed was followed by a prolonged float prior to touchdown on the high-altitude Kabul runway. The Investigation found that the collapse had followed a severe but very brief wheel shimmy episode in the presence of a number of factors conducive to this risk which the aircraft operator s pilots had not been trained to avoid. It was also found that although the aircraft operator regularly undertook wet lease contract flying, their pilot training policy did not include any route or aerodrome competency training.

Description

On 10 December 2016, a Boeing 737-400 (JY-JAQ) being operated by Jordan Aviation under contract to Safi Airways on their scheduled domestic passenger flight from Herat to Kabul as SFW502 had just touched down on runway 29 at destination after making an ILS approach in day VMC when the right main landing gear collapsed. The aircraft slid along the 3511 metre-long runway and stopped 326 metres from the end of it. An emergency evacuation followed as the AFS contained a fire risk at the damaged right engine which had supported the aircraft after the gear collapse. Although the aircraft sustained substantial damage, none of the 173 occupants of the aircraft were injured. The runway surface was damaged.

The aircraft with the evacuation in progress. [Reproduced from the Official Report]

Investigation

An Investigation was carried out by the Civil Aviation Regulatory Commission of the State of the Operator, Jordan. The SSFDR and SSCVR were both removed from the aircraft and sent to the UAE GCAA AIS for download and relevant data were recovered from both.

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