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Significant Factors

Summary

  1. The condition of the wheel bearings and the lubricating grease was degraded during the extended storage.
  2. There was no required re-inspection maintenance procedure for lubrication quality or bearing corrosion prior to fitment of the wheel to the aircraft.
  3. The number-2 wheel outer bearing failed, resulting in the inability of the wheel retention nut to retain the wheel on the axle.
 
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