17:40-48 LP wanders down (up absolutely) as cabin temp starts to come down. 17:50:58 Cabin Door closed. (during cal) 19:00:15-19:01:15 AO2 Inlet Breath Test #1 19:15 QCLS shut down on ascent out of AK, and cannot be rebooted (XP fail) Decision is to scrap flight Sampled first 6 flasks just in case, but will probably resample them On flight tomorrow for consistency.