( - Several officers were dispatched to Fort Lauderdale-Hollywood International Airport in Florida late Wednesday after Spirit Airlines called to report some passengers were getting unruly, a Broward County Sheriff's Department duty officer tells CBS News.

She said there were some rowdy and irate customers who'd been delayed for hours.

The duty officer says all Spirit Airlines planes were going through mechanical checks, and the carrier didn't have enough mechanics to do them.

Several Spirit flights took off from the airport Wednesday night and early Thursday, but numerous others were delayed.

It wasn't clear how many passengers were waiting or how many were, in Spirit's opinion, getting out of hand. It also wasn't clear what they were doing to spark that concern.

Federal Aviation Administration spokesperson Kathleen Bergen told CBS News she had no information on why Spirit would not be flying planes. In general, Bergen said, it's routine for airlines to conduct mechanical checks at night.

Last week, a Spirit plane headed from Dallas to Atlanta had to return to Dallas when smoke in the cabin led the pilot to shut down an engine.

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