(WABC/CNN) - The FAA said it's looking into claims that passengers aboard Justin Bieber's chartered flight violated the agency's rules.
Their rules state that no person may assault, threaten, intimidate or interfere with a crewmember while they are performing their duties aboard an aircraft.
This comes after a source told CNN that Bieber and his father were extremely verbally abusive to an attendant during a flight last week.
According to a customs and border protection report, passengers also ignored repeated requests to put out marijuana cigarettes.
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