Primary finding
Probable cause
The in-flight separation of the main rotor because of the failure of a pillow block bolt, and the failure of the operator/repair station to follow the overhaul procedures.
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NTSB investigation record
ATL90FA100
CompletedBell 205A-1· N67HJ
- Date
- April 20, 1990
- Location
- Moncks Corner, SC
- Conditions
- VMC
- Record
- Completed
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