When an automatic shutoff attempted to close the liquid hydrogen valve and shut down engine two, it had accidentally shut down engine three's liquid oxygen due to a miswired connection.
wˌɛn ɐn ˌɔːɾəmˈæɾɪk ʃˈʌɾɔf ɐtˈɛmptᵻd tə klˈoʊz ðə lˈɪkwɪd hˈaɪdɹədʒən vˈælv ænd ʃˈʌt dˌaʊn ˈɛndʒɪn tˈuː, ɪt hæd ˌæksɪdˈɛntəli ʃˈʌt dˌaʊn ˈɛndʒɪn θɹˈiːz lˈɪkwɪd ˈɑːksɪdʒən dˈuː tʊ ɐ mɪswˈaɪɚd kənˈɛkʃən.