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The right engine failed on descent into Devonport. The engine was shut down and the aircraft landed without incident. The engine was disassembled and it was found that the gas generator second stage cooling plate had disintegrated. Extensive foreign object damage had affected the remaining components of the gas generator turbine. Failure of the second stage cooling plate was a problem known to the manufacturer. A modified plate of improved durability had been introduced by SB72-352. The failed unit was of pre-modification status. As well as progressive introduction of the improved plates into the fleet when the engines are overhauled, the area is subject to regular borescope inspections.
Download Final Report
[ Download PDF: 11KB]
General details
Date: 06 May 1993 Investigation status: Completed 
Time: 9:35 EST  
 Investigation type: Occurrence Investigation 
Release date: 28 March 1994 Occurrence class: Technical 
Report status: Final Occurrence category: Incident 
Aircraft details
Aircraft model: SF-340A 
Aircraft registration: VH-KDI 
Sector: Turboprop 
Damage to aircraft: Nil 
Departure point:Melbourne VIC
Destination:Devonport TAS
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Last update 23 July 2015