NEW : Riders back on ground after being stuck for about 4:45 p.m. . Ride can swing people through the air About 20 stories high . 30 people were stuck for more than two hours . The WindSeeker also malfunctioned on September 7 , CNN affiliate KABC reported . Ride also malfunctioned on nearly two weeks ago , Knotts Berry Farm affiliate reports .
NEW : Riders back on ground after being stuck for about 4:45 p.m. . Ride can swing people through the air About 20 stories high . 30 people were stuck for more than two hours . Ride also malfunctioned on nearly two weeks ago , Knotts Berry Farm affiliate reports .