"Mxsmanic" wrote in message This was in 1996; I'm not sure how things
have evolved in the
following decade.

Procedures were changed for flap/slat extension speeds and the YD actuators
were redesigned.

I'm not sure why an inoperative yaw damper would be a no-go item, but
perhaps the unusual characteristics of the 727 made it so (?).

The 727 wasn't unusual in that respect. It's a characteristic of swept wing
aircraft.

D.