NEW : First reports of the situation came in to authorities about 4:45 p.m. ( 7:45 p.m . ET ) . Riders back on ground after being stuck for more than two hours . Ride can lift riders through the air 30 feet high . About 20 people were stuck for more than two hours . Ride also malfunctioned on September 7 , CNN news reports .
NEW : Riders back on ground after being stuck for more than two hours . Ride can lift riders through the air 30 feet high . About 20 people were stuck for more than two hours . Ride also malfunctioned on September 7 , CNN news reports .