A Hawaiian Airlines flight from Sacramento to Maui was turned around over the Pacific Ocean Monday morning, landing in Oakland because of a mechanical issue, authorities said.

Hawaiian Flight 59 departed Sacramento International Airport at 10:05 a.m. Pacific time, and after nearly an hour into the flight, it was diverted to Oakland International Airport, landing at 12:20 p.m., data from FlightAware showed .

In a statement to CBS News Bay Area, a Hawaiian Airlines spokesperson said the flight was diverted to Oakland after developing an issue with the aircraft's backup cabin air conditioning unit, among the requirements for aircraft to fly more than three hours from the nearest airport. The flight landed without incident, and while the aircraft was being inspected, passengers on Flight 5

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