Originally Posted by
MemberBerry
- all this means that on NG using the cutout switches and then later trying to use the column trim switches would be communicated to the FDR as "up" / "down" main trim commands, without a corresponding stabilizer movement. However on the MAX any attempted "up" / "down" commands from the switches wouldn't show after the cutout switches are used, since the thumb switches are disconnected from the circuit breaker by the cutout.
Your assumption is confirmed by the ET302 interim report.
The CVR indicates that the FO tried to action the trim via his trim thumb switches after having flipped the pedestal cutout switches.
None of his attempts appear on the DFDR.