Primary finding
Probable cause
The total blockage of the oil supply line for the rear main bearing in engine module three which resulted in the failure of the bearing, and the subsequent leak from the engine start drain valve.
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NTSB investigation record
ATL92FA126
CompletedAerospatiale As-355-f· N365DU
- Date
- June 15, 1992
- Location
- Fort Bragg, NC
- Conditions
- VMC
- Record
- Completed
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