What was found
PILOT'S YOKE BINDS WHEN PULLED FULL AFT WITH LEFT HAND CREATING A SIDE LOAD ON COLUMN (IE. FLYING SINGLE HANDED). MAINTENANCE FOUND THE YOKE ROLLER NOT FULLY ENGAGING IN GUIDE. YOKE CLEARANCE IS WITHIN SPECIFIED .100 INCH CALLED OUT IN SB99-53-03, HOWEVER, THE ROLLER RIDES TOO LOW IN THE GUIDE AND WILL POP OUT OF THE GUIDE IF ANY SIDE PRESSURE IS APPLIED. PER SB99-53-03 A AN970-3 SPACER WASHER WAS INSTALLED ALLOWING THE ROLLER DEEPER ENGAGEMENT IN THE GUIDE WITHOUT THE ROLLER BOLT HEAD SCRAPING THE TOP OF THE GUIDE.