The tan plastic on the sides looks in great shape with bright shiny screws where they should be.
Check for end play at the prop. If you don't know what that is, have someone who does know check for it. Check the bushings where the elevator attaches to the horizontal stab. No play there. If possible, have a mechanic check the torque on the cylinder bolts. (Don't ask why I know). Have you had a prebuy done yet by an off-field mechanic?