There was one new TriStar operator who had their crews trained on the aeroplane who had previously had flown the DC-8.
Some of the results were quite surprising...then again perhaps not
Preflight control checks, for example...with no hydraulic power.
A few would wrestle with the column, pushing and pulling with no decernable result, except to illuminate the aileron cross-hatch switchlights....whereupon they then could not extinguish same, even with hydraulic power now supplied.
What can you say to folks that can't be bothered to RTFB?
