NEW YORK (CBSNewYork) — The National Park Service said Wednesday that a power outage at the Statue of Liberty Tuesday night was “temporary” and “unplanned.”

The statue was dark for a few hours except for the lights in Liberty’s crown and torch. The full lighting was restored around 11:45 p.m.

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The park service said after talking with personnel and contractors early Wednesday, they determined that power and a lighting system were turned off in order to change out faulty lighting equipment.

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Power was then restored, but the park service says the outage “was a result of a failure to properly reset the lighting system controller.”

“While this was an unplanned outage, there will be some planned outages related to the installation of a new emergency backup generator for Liberty Island,” the park service said in a statement. “We anticipate those outages will take place over the next few weeks.”

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It says the the new emergency generator is one of the Superstorm Sandy recovery projects at Liberty Island and “will ensure that Lady Liberty shines brightly and weathers future storms.”