Just before he reached the dark side on the third orbit, Mission Control informed Collins there was a problem with the temperature of the coolant.
dʒˈʌst bᵻfˌoːɹ hiː ɹˈiːtʃt ðə dˈɑːɹk sˈaɪd ɔnðə θˈɜːd ˈɔːɹbɪt, mˈɪʃən kəntɹˈoʊl ɪnfˈɔːɹmd kˈɑːlᵻnz ðɛɹwˌʌz ɐ pɹˈɑːbləm wɪððə tˈɛmpɹɪtʃɚɹ ʌvðə kˈuːlənt.