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On 4 October 2009, at 1217 Eastern Standard Time, the flight crew of a SAAB Aircraft Co 340B aircraft, registered VH-SBA noted abnormal left engine temperature indications during initial climb-out on a scheduled passenger flight from Wagga Wagga Aerodrome, New South Wales to Melbourne, Victoria.

The flight crew later reported that they noticed abnormally high indications from the left engine inter-turbine temperature, before shutting down the left engine and returning to the aerodrome for landing. Subsequent inspection of the left engine indicated internal damage, specifically to the stage 1 compressor section blisk blade.

The left engine damage was the result of the fatigue-related failure and separation of four of the stage 1 compressor blisk blades. There was no evidence that material defects or abnormalities contributed to the failures.

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General details
Date: 04 October 2009 Investigation status: Completed 
Time: 12:57 ESuT  
Location   (show map):Wagga Wagga Aerodrome Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Engine failure or malfunction 
Release date: 12 November 2010 Occurrence class: Technical 
Report status: Final Occurrence category: Incident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: S.A.A.B. Aircraft Co 
Aircraft model: 340 
Aircraft registration: VH-SBA 
Serial number: 340B-311 
Type of operation: Air Transport Low Capacity 
Damage to aircraft: Minor 
Departure point:Wagga Wagga
Departure time:12:55 EST
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Last update 14 November 2018