What we are hearing this morning is that one of the pilots left the cockpit and was unable to reopen the cockpit door. The voice recorder records the pilot outside the door at first tapping then banging on the door. The plane apparently begins it's decent FOR 18 MINUTES, so I assume during this horrific time, the passengers and other crew are witnessing this. Perhaps passengers are also recording this. We shall see. The door locks are activated or unactivated in the cockpit. The pilot can have the door unlocked, normal (which means access can be obtained by a passcode...