Published: Jan 14, 2011 5:39 PM EST
Updated: Jan 14, 2011 2:40 PM EST

FORT MYERS- Jet Blue flight 1203 headed to Southwest Florida International Airport declared an Alert 2 around 9:40 a.m. on Friday- turned out someone was smoking in the lavatory.

About 10 miles away from approaching land smoke appeared in the cabin. Crews traced the smoke and found a man smoking a cigarette in the restroom.

The plane arrived safely at 10:02 am

Port Authority police detained the person until the FBI arrived on scene. The FBI is now investigating the situation.