A319
Flight Crew Air Transport Pilot (ATP)
Deviation / Discrepancy - Procedural Weight And Balance; Deviation / Discrepancy - Procedural Security; Flight Deck / Cabin / Aircraft Event Passenger Misconduct
Procedure
The weight and balance for the leg from [departure] to [destination] was off by one passenger. The paperwork was for 145; but we had 146 on board. The gate agents [at departure] had let passenger on without scanning their boarding pass. The gate agents [at destination] had told me that passenger was traveling on a fraudulent ticket. We did 3 weight and balances. 1st the passenger was on; then we were told Service operations Center (SOC) was pulling the passenger off then customer service was putting the passenger back on.
[Report narrative contained no additional information.]
A319 flight crew reported that they had an unaccounted passenger on board.