Report of the PRESIDENTIAL COMMISSION
on the Space Shuttle Challenger Accident
Volume 4 Index
Hearings of the Presidential
Commission on the Space Shuttle Challenger Accident: February 6, 1986
to February 25, 1986
FEBRUARY 13, 1986 SESSION. [Part 2 of
2]
[545] [Ref. 2/13-42] 51-L FAILURE ANALYSIS STATUS
REPORT.
FAILURE SCENARIO (B) - RIGHT HAND SRM AFT
FIELD JOINT LEAK (FIRST EVENT)
EVENT (B) - PRIMARY O-RING BLOW-BY
- ANALYSES/DATA
(B.1) EXPERIENCE SHOWS JOINT/SEAL DESIGN
CAN RESULT IN BLOW-BY WHILE PRESSURE ACTUATING PRIMARY SEAL DURING
EARLY PART OF IGNITION TRANSIENT.
EFFECT OF BLOW BY LIMITED IN PREVIOUS
EXPERIENCE BY SECONDARY SEAL.
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