Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine; Flight Crew Instrument
Deviation / Discrepancy - Procedural Published Material / Policy
Human Factors
Upon gate arrival at destination ZZZ; I was informed by the Flight Attendant that a passenger asked for water; and was given a full large bottle of water. Unbeknownst to the Flight Attendant; that bottle was reportedly full to capacity with straight clear grain alcohol; the passenger said. The bottle was transferred into the custody of the Gate Supervisor in ZZZ.
Airbus Captain reported that water bottle given to passenger was actually filled with alcohol.