To ensure the latches were properly positioned Placing , a handle on the outside of the door pressed Motion small metal pins into the latches ; if the latches were in the improper location the pins would not align Motion and the handle would not close .

To ensure the latches were properly positioned Placing , a handle on the outside of the door pressed Motion small metal pins into the latches ; if the latches were in the improper location the pins would not align Motion and the handle would not close .

To ensure the latches were properly positioned Placing , a handle on the outside of the door pressed Motion small metal pins into the latches ; if the latches were in the improper location the pins would not align Motion and the handle would not close .

In previous service , notably an incident that occurred Coming_to_be on American Airlines Flight 96 in 1972 , it had been noticed Know that it was possible to close the handle on DC-10 cargo doors despite the latches being in the wrong position .

After the disaster , the latches were redesigned and the locking system significantly upgraded Cause_to_make_progress .