Sent_en: 2zh As part of the recent releases by the NTSB and AAIB it has become apparent that investigators from both bodies, which are collaborating, have found ice buildup in the fuel system caused both rollbacks.
Sent_yy: 在国家运输安全委员会和航空事故调查局最近发布的消息中已经明确指出：合作双方的调查人员均已发现，燃油系统结冰确为导致上述两个发动机失灵事件的原因。