Six Flags Discovery Kingdom’s popular Superman rollercoaster remained closed Monday as inspectors search for the cause of a stall that stranded a dozen riders in mid-ride for two hours over the weekend, park officials said.
According to witnesses, two cars stalled at the highest point of the ride, 150-feet high, around 2:30 p.m. Sunday with the riders upright.
Rescuers used a crane to release the cars from the track shortly after 4 p.m., according to a spokeswoman for the park.
Every ride is checked every morning to make sure it runs properly and the Superman wide was checked Sunday morning and no problems were found, according to the park spokeswoman.
The park president said he doesn't believe there was a mechanical problem with the ride.
Park mechanics have not yet investigated what led to the stall. The ride will stay offline until they complete their investigation.
The Superman ride opened on June 30 and is 15 stories tall at its highest point and reaches speeds of 62 mph.
This is not the first time there have been roller coaster issues at the Six Flags park.
In August of 2010, the boomerang ride got stuck in the upright position for about an hour with 26 people on board.
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