Primary finding
Probable cause
Installation of the improper sprag clutch assembly by the owners maintenance personnel resulting in failure of the sprag clutch and the loss of transmission drive.
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NTSB investigation record
MIA89LA081
CompletedBell Th-1L· N204AP
- Date
- February 8, 1989
- Location
- Greenville, FL
- Conditions
- VMC
- Record
- Completed
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