Question Dragon Capsule

Aug 2, 2020
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It appears there is some technical reason behind what was taking place after the flawless splashdown of Dragon Capsule today. I have two questions:
  • Why does traces of MMH and NTO vapors were found in the cylinder storage space between the outer and inner hatch covers. Was it a fitting was leaking?
  • Could the residual fuels have self ignited.
  • Does it a single point of failure event?
I would like hear the expert comments on these. Thank you. Pete.
 
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Aug 2, 2020
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I am guessing NASA and Space X is looking into this issue and doing an through internal investigation with a fine tooth comb! perhaps going over the FMECA findings.
Assume all the sensory and power operated devices (solenoids etc.,) installed in this section, are all Exe and Exi rated.
 

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