Thousands of passengers aboard a Norwegian Cruise Line vessel were trapped on their ship for up to nine hours Tuesday after a customs screening process at the Port of San Francisco ground to a near-standstill — the result of broken facial recognition technology, a late docking and the need to process a passenger’s death onboard. Norwegian Cruise Line’s Encore arrived from Cabo San Lucas, Mexico, at 7:30 a.m. Tuesday, but it took nearly nine hours for some passengers to process through customs