As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) FIRST OFFICERS FLIGHT LIBRARY BOX BROKE FREE FROM THE RESTRAINT AND SLID BACK UNDER THE FIRST OBSERVERS TABLE. INVESTIGATION FOUND THAT THE BOX BROKE FREE DUE TO INADEQUATE GRIP ON THE RETAINING STRAP BY THE FORWARD LOCKING CLAMP.