NTSB Identification: LAX83IA073.
The docket is stored on NTSB microfiche number 22538.
Incident occurred Sunday, January 16, 1983 in LOS ANGELES, CA
Aircraft: BOEING 747-123, registration: N9664
Injuries: 412 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

LANDING GEAR,MAIN GEAR STRUT..FATIGUE

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

LANDING GEAR,MAIN GEAR STRUT..FAILURE,TOTAL

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