Primary finding
Probable cause
a fatigue failure of the torsion-tension bar pin due to fretting corrosion. A factor in this accident was an inadequate quality of material utilized in the manufacture of the pin.
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NTSB investigation record
LAX94LA054
CompletedHiller Uh-12E· N161HA
- Date
- November 20, 1993
- Location
- Salinas, CA
- Conditions
- VMC
- Record
- Completed
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