Sq A340
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The know-it-all Capt. decided to balance the fuel [ showed his lack of knowledge] by turning the hyd. pumps off[ 2 at a time]. They were not protected in those days as Airbus thought no one would be that stupid.
With no hyd to the stab. it caused a violent pitchup. Quick thinking F/O grabed his side-stick and commanded a full down imput. while k-i-a realised his mistake and quickly put the hyd. pumps back on.
Result was a wild ride with some injuries,don't know how many, but not as bad as this A330 upset.
Is there an ATSB Report on this? Looked but cannot locate. SQ A340-300 I'd imagine.