I guess it must be the time of year for failing T-5's! Several months ago I rebuilt mine with help from the forum. After, the 2nd gear synchronization was fixed, but the other problem remained.
Shifting was fine 1-5, however after running in 5th on the highway and coming to a stop, I had difficulty moving the shifter into anything other than 4th gear. Early on, it just required a little pressure to get into 4th then all other gears were accessible. Over the last few months, the problem has gotten worse to the point that on several occasions I've been stuck at a light or stop sign tr