4月20日,中國民航局公布“3 21”東航MU5735航空器飛行事故調查初步報告,報告主要包括飛行經過、機組機務人員、適航維修、殘骸分布等事實信息。
The report reveals the flight's crew and maintenance personnel met standards and the plane's airworthiness certificate was valid. There were no items on board that had been declared as dangerous goods, nor any forecasts of dangerous weather. Before the plane deviated from cruising altitude, radio communications between the crew and air traffic control did not show any abnormality.
報告稱,經調查,當班飛行機組、客艙機組和維修放行人員資質符合要求;事故航空器適航證件有效;機上無申報為危險品的貨物;飛行涉及的航路沿途無危險天氣預報;在偏離巡航高度前,機組與空管部門的無線電通信和管制指揮未見異常。
The investigation team will continue with its work, which includes debris inspection and flight-data analysis, to find the cause of the accident.
后續(xù),技術調查組將繼續(xù)深入開展殘骸識別、分類及檢查、飛行數(shù)據分析等調查工作,科學嚴謹查明事故原因。