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Thread: Qantas Emergency Return KSFO, Explosion in Engine?
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Old 27th October 2010 | 15:36
  #103 (permalink)  
iskyfly
 
Joined: Oct 2010
Posts: 65
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From: MD
An visual engine inspection following disassembly of the engine showed that all turbine blades had separated from the IP (intermediate pressure) turbine disk. The blades of the three LP (low pressure) turbine stages were fractured through the airfoil section of had separated from the disk. The LP stage nozzle guide vanes were destroyed, the remaining LP nozzles were substantially damaged. The LP turbine bearing and adjacent phonic wheel and speed probe were destroyed. The IP shaft was severed towards the aft end.
More info and pictures here;
Incident: Qantas B744 near San Francisco on Aug 31st 2010, uncontained engine failure
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