Many Parts of Shredded CF34 Engine Recovered

AINalerts » February 15, 2007
February 15, 2007, 10:00 AM

The NTSB recovered roughly half of the fan disk, fan blades, parts of the engine cowling and thrust reverser, the engine spinner and pieces of the fan containment case from the GE CF34-3B1 turbofan that broke apart during a January 25 revenue flight of a Mesa Airlines Bombardier CRJ200 from Denver to Phoenix. The latest update from the Safety Board places the airplane 70 miles west-southwest of Denver, climbing through 24,000 feet, when the incident occurred. Materials specialists have identified the origin of the fracture and investigators continue their examination of manufacturing and maintenance records to determine the effectiveness of existing fan disk inspections. According to GE, the CF34 had never before experienced an uncontained failure. Introduced on the Bombardier Challenger in 1983, the CF34 also powers the various Embraer E-Jets and awaits installation in the first ACAC ARJ21 regional jet from China.

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