On 8 Apr 2015, a SHORT BROTHERS & HARLAND LTD. SC-7 SKYVAN S3 3 operated by Pink Aviations Services Luftverkehrsunte was involved in an aviation accident near Klatovy, Czech Republic, Czech Republic. No fatalities were reported. Investigators recorded the probable cause as: Uncontained failure of the No.2 turbine wheel on the right-hand engine, resulting in debris damage to the right-hand forward sidewall fuel cell and subsequent fuel loss. This summary draws on records from NTSB; 1 related events involving the same aircraft type or operator are linked below.
An Austrian-registered Shorts SC7 Skyvan sustained an uncontained failure of the No.2 turbine wheel on the right engine during descent, causing debris to damage the fuel cell and resulting in fuel loss.
Incident Description
An Austrian-registered Shorts SC7 Skyvan, bearing registration OE-FDN and operated by Pink Aviation Services GmbH, experienced an uncontained failure of the No.2 turbine wheel on its right-hand engine during descent. The failure ejected debris that struck and damaged the right-hand forward sidewall fuel cell, leading to a subsequent loss of fuel. The aircraft was configured with two engines, and the event occurred while the aircraft was descending.
Investigation
The investigation is being conducted by the Air Accidents Investigation Institute (AAII) of the Czech Republic. The National Transportation Safety Board (NTSB) of the United States has appointed an accredited representative to assist the AAII in the investigation, as the United States is the state of design for the airplane's powerplants. All inquiries regarding this investigation should be directed to the AAII in Prague.
Probable cause
Uncontained failure of the No.2 turbine wheel on the right-hand engine, resulting in debris damage to the right-hand forward sidewall fuel cell and subsequent fuel loss.