Report of the PRESIDENTIAL COMMISSION on the Space Shuttle Challenger Accident
Volume 2
Appendix H - Flight Readiness Review Treatment of O-ring Problems
Chart 189 [Chart 189: STS 41-C L-1 Action Item].
Charts 187-188
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Appendix H
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Chart 190
![Chart 189 [Chart 189: STS 41-C L-1 Action Item].](https://www.nasa.gov/wp-content/uploads/static/history/rogersrep/v2h96a.jpg)
Chart 189 [Chart 189: STS 41-C L-1 Action Item].