As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONE EMERGENCY DESCENT DEVICE WAS FOUND UNWOUND AND HANGING FROM THE OPEN DESCENT DEVICE CONTAINER. THE AIRPLANE WAS REMOVED FROM SERVICE (GROUNDED) WHILE THE DESCENT DEVICE WAS REPLACED WITH A SERVICEABLE DESCENT DEVICE AND THE DESCENT DEVICE CONTAINER WAS CLOSED. THE CAUSE FOR THE DESCENT DEVICE CONTAINER OPENING AND THE DESCENT DEVICE FALLING OUT IS UNKNOWN.