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Report of the PRESIDENTIAL COMMISSION on the Space Shuttle Challenger Accident

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Volume 5 Index

 

Hearings of the Presidential Commission on the Space Shuttle Challenger Accident: February 26, 1986 to May 2, 1986.

 

MARCH 7, 1986 SESSION (part 2 of 2)

 

[1232] [Ref. 3/7-87] Space Shuttle Main Engine. Team Investigation Approach.

SPACE SHUTTLE MAIN ENGINE

 

• TEAM INVESTIGATION APPROACH
  • REVIEWED ALL PRIOR ENGINE FAILURES TO VERIFY ENGINE FLIGHT DATA PROVIDED EVIDENCE OF OBSERVED FAILURE
  • REVIEWED ALL STS 51-L DATA
    • PRELAUNCH
    • START
    • MAINSTAGE
  • REVIEWED EACH DATA FRAME (EVERY 40 MS)
  • REVIEWED CHALLENGER ENGINES' HISTORY INCLUDING HARDWARE CHANGES AND ANOMALIES
    • MANUFACTURING
      • RE-REVIEW OF MR'S
    • ACCEPTANCE TESTS
    • PRIOR FLIGHTS
  • INSPECTED RECOVERED HARDWARE

 

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[1233] [Ref. 3/7-88] Space Shuttle Main Engine: Prelaunch Engine Compartment Temperatures.

 

SPACE SHUTTLE MAIN ENGINE

 

PRELAUNCH ENGINE COMPARTMENT TEMPERATURES

• MEASURED COMPONENT TEMPERATURES WELL WITHIN ACCEPTABLE LIMITS.
• NO INDICATION OF PROPELLANT LEAKAGE.

 

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