734 being out of trim
happened in 1994/no details about carrier or station
proportional seating conditions were assumed in stead of actual seating conditions. Cpt report shows : on the take-off run at Vr (about 150mph-240km/h) the control column was fully back giving max up elevator. the 737-400's nose wheel remained firmly on the ground.
As the end of the runway was getting closer, the cpt increased the stabilizer setting from that given on the loadsheet of 3.5 to 6.5, a line which is so far forward of the forward trim limit that it is not even shown on the balance chart. The a/c finally took off at a speed in excess of 200mph (325km/h)