LOS ANGELES, CA, USA
N9664
BOEING 747-123
THE LEFT MAIN LANDING GEAR COLLAPSED WHILE THE ACFT WAS TAXIING FOR TAKEOFF. DISSAMBLY REVEALED THAT THE OUTER CYLINDER WAS SHATTERED & METALLURGICAL EXAMINATION REVEALED ABRASIVE GRINDING & ENVIRONMETALLY ACCELERATED FATIGUE PRIOR TO RAPIDFRACTURE.
Source: NTSB Aviation Accident Database
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