Interesting thread on PRRUNE started today:
2022-03-21 China Eastern 737-800 MU5735 incident
The most plausible non-non-commital speculation so far seems to be:
and according to Google:
2022-03-21 China Eastern 737-800 MU5735 incident
The most plausible non-non-commital speculation so far seems to be:
My guess - stab(ilizer) trim runaway not noticed by crew. Autopilot eventually gives up an disengages leading to violent pitch down. Crew figure out what’s wrong and retrim only to overstress during the pullout.
Stabilizer Trim Runaway. a malfunction which occurs when the Trimmable Horizontal Stabiliser (THS), or tailplane, on the aircraft tail fails to stop at the selected position and continues to deflect up or down.
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