Answer: Blocking a served ball is illegal; loss of rally/point awarded to opponent for net foul. (Rule 9, Sec. 6, Art. 5, Pen.)
Question: Is it legal for a player, standing entirely in playable area, to reach over bleachers and save a pass, but then she/he falls into the bleacher area after contact?
Answer: Legal play even though a player fell into unplayable area following contact. (Rule 2, Sec. 4, Art. 2)