Primary finding
Probable cause
An excessively worn outflow valve in the cabin evironmental/pressurization system that resulted in a rapid cabin depressurization.
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NTSB investigation record
ATL89IA099
CompletedBoeing 737-201· N217US
- Date
- March 9, 1989
- Location
- Dayton, OH
- Conditions
- Not recorded
- Record
- Completed
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