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Accident description
Last updated: 29 May 2017
Date:Saturday 15 June 2002
Type:Silhouette image of generic DH8C model; specific model in this crash may look slightly different
de Havilland Canada DHC-8-311
Operator:Schreiner Airways
Registration: PH-SDU
C/n / msn: 232
First flight: 1990-10-20 (11 years 8 months)
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 2
Total:Fatalities: 0 / Occupants: 5
Airplane damage: Substantial
Airplane fate: Repaired
Location:Maastricht/Aachen Airport (MST) (   Netherlands)
Phase: Landing (LDG)
Departure airport:Maastricht/Aachen Airport (MST/EHBK), Netherlands
Destination airport:Maastricht/Aachen Airport (MST/EHBK), Netherlands
During maintenance at Maastricht (MST) the right hand main undercarriage was replaced. The landing gear was retracted and deployed several times and performed satisfactory. Prior to being released to the leasing company a test flight was made. During an instrument approach the landing gear was selected down, but the right hand undercarriage did not lock down. The crew recycled the gear and again the right hand main gear came down but failed to lock.
The 'alternate gear extension' procedure was followed but it again failed to lock.
Upon landing the right had undercarriage collapsed.

Probable Cause:

The final report of the investigation did not conform to ICAO Annex 13 standards and did not contain a Probable cause.
It was noted that the hydraulic swivel assembly was connected upside down. This caused the swivel to bend when the landing gear was lowered, preventing it from locking down.

Accident investigation:
investigating agency: Onderzoeksraad Voor Veiligheid (OVV) / Dutch Safety Board - Netherlands
status: Final
number: 2002086
released:1 August 2005
duration of investigation: 3 years and 2 months
download report: Accident PH-SDU (Dutch Safety Board 2002086)



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