Primary finding
Probable cause
Fatigue failure of the steel tubing pylon structure. Factors include inadequate inspection by maintenance personnel of damage after a previous accident.
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NTSB investigation record
SEA98FA055
CompletedEnstrom F28F· N171HH
- Date
- March 30, 1998
- Location
- Baker, OR
- Conditions
- VMC
- Record
- Completed
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