Add "not braking" to those conditions. The wording in our FCOM says a "slight jerk may be felt if pressing the brake pedals while shutting down eng 2". Nothing slight about it! After being used to operating A320s with the enhanced hydraulic system, one day I had one with the old system, requested to shut down eng 2 while braking slightly in a straight line and it was quite a jolt! On the next flight back to base on that same day we happened to be taxiing to the same parking position on the same route as the "slight jerk" incident and there were tire skid marks where it had happened. Feet off the brakes ever since that!
Agree with Amadis and FD; be taxiing in a straight line before shutting down the engine, not to turn on the Y pump (me thinks something related to BSCU power supply/hydraulic pressure management during electrical transient while shutting #2?)
Last edited by Escape Path; 15th Apr 2017 at 19:31.
Reason: Forgot to end quote!