It's been a flaming success the last time, many thanks for coming to clarify again. What I missed then same as now: was there any industry-wide change in design requirements and certification standards for TR installation in the aftermath?
The TLs in the cockpit are very simple. The arc of travel has separate positions for IDLE, REV IDLE and REV FULL. The revers selection paddles mounted on the front side of TLs are mechanical interlocks that prevent the TLs from travelling below the IDLE stop. Then you need to pull the paddles up, unlatching the movent into the REV range. A similar concept applies in the opposite direction - "stowing" action is required to move forward of the REV IDLE notch.
I am looking at the FCOM description (dumbed down to pilot level) and 3 out 1 in looks only possible under a "fail to open" scenario which does not match the chronological course of reported events.
Last edited by FlightDetent; 16th Apr 2022 at 20:21.