What was found
CAPTAIN`S SEAT WON'T STAY IN LOCKED POSITION ALONG FWD & BACK RAIL POSITION. IF YOU LOCK THE SEAT, AND SIMPLY LIFT UP ON THE SEAT, IT FORCES IT OUT OF TRACK. THIS HAPPENS OCCASIONALLY WITHOUT ADDITIONAL ACTION DURING FLIGHT. ADJUSTED THE CAPTAIN`S SEAT CABLE AND LUBRICATED THE SEAT CABLE, TRACK AND RAIL ASSEMBLY. OPS CHECKED GOOD. OK FOR CONTINUED SERVICE.