Narrative:

'Lav smoke' annunciator and warning. Determined through flight attendant (flight attendant) that a passenger was smoking an e-cigarette in lavatory. No actual smoke or danger. Indication resolved. Continued on without incident. Had security meet aircraft at gate.actual non emergency cause only known by chance because flight attendant happened [to] catch passenger still in lavatory and passenger was honest about his actions.make prohibited e-cigarette use in lavatory more known to the passengers to prevent unnecessary diversion in the future.

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Original NASA ASRS Text

Title: An EMBRAER Regional jet First Officer reported receiving a LAV SMOKE message related to a passenger smoking an E-cigarette in the lavatory.

Narrative: 'LAV SMOKE' annunciator and warning. Determined through Flight Attendant (FA) that a passenger was smoking an E-Cigarette in lavatory. No actual smoke or danger. Indication resolved. Continued on without incident. Had security meet aircraft at gate.Actual non emergency cause only known by chance because FA happened [to] catch passenger still in lavatory and passenger was honest about his actions.Make prohibited E-cigarette use in lavatory more known to the passengers to prevent unnecessary diversion in the future.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.