Spoilers Re-armed?
As the AA accident at Little Rock proved, a surefire way of having "on the runway" controllability problems in an MD80 is to not get the spoilers (and then not notice that - due to all the attendant distractions stemming from very wet rubberized runways, light on the wheels, gusty crosswinds, low visibility in rain-squalls and poor directional control with tail-mounted reversers).
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How likely is it that re-arming the spoilers would be overlooked on a subsequent approach (after an initial go-round)?
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I'm reading that SHIFTPATTERN is claiming that spoilers were seen to be deployed after the 2nd touchdown (but perhaps I'm reading that wrong).