Primary finding
Probable cause
The improper installation of the pc tube by company maintenance personnel, which resulted in fatigue failure of the tube due to induced bending stresses.
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NTSB investigation record
LAX90LA050
CompletedHughes 369Hs· N9161F
- Date
- December 9, 1989
- Location
- Waimea, HI
- Conditions
- VMC
- Record
- Completed
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