NEW : Captain returned to port to retrieve ship from docks , source says . U.S. official says incident is about paperwork for crew they had aboard for protection . The captain 's scheduled flights are pushed back to Monday , a crew member says . The guns are locked in a bonded area , and they are only for the use of the security company that owns them , the crew member said . A manager of the ship 's customs brokerage firm identifies the captain as a Raider .
NEW : Captain returned to port to retrieve ship from docks , source says . U.S. official says incident is about paperwork for crew they had aboard for protection . The captain 's scheduled flights are pushed back to Monday , a crew member says . A manager of the ship 's customs brokerage firm identifies the captain as a Raider .