A Chinese blogger who works in civil aviation wrote this piece based on the info available to him so far:
Until today, Chinese civilian airlines under CAAC had operated 4226 days in a row without (major) accident. This counter stopped at 4227.
A piece of the sheet metal found at the crash scene. The black strokes are the bottom halves of these Chinese characters "国东方航".
A drone of the first responders who arrived at the crash scene took this grainy photo which supposedly shows the impact crater.
According to this ADS-B flight altitude chart from FR24, he thinks the pilot crew were still trying to save the airplane from crash in the last minute.
Because this flight had 3 pilots/engineers and 6 flight attendants/security guards on board, he thinks it's very unlikely one of the crew could have locked all others out of the cockpit and taken the airplane down.
The flight altitude chart reminds him the
on Jan 9, 2021. It was a Boeing 737-500 that had problems with its autothrottle that caused the aircraft into a deadly spin.