What was found
(AUS) CABIN SLIDING DOOR OPENED IN FLIGHT - INVESTIGATION FOUND THAT EITHER THE DOOR LATCH WAS NOT FULLY LOCKED OR A PASSENGER OPERATED THE LATCH DURING FLIGHT
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) CABIN SLIDING DOOR OPENED IN FLIGHT - INVESTIGATION FOUND THAT EITHER THE DOOR LATCH WAS NOT FULLY LOCKED OR A PASSENGER OPERATED THE LATCH DURING FLIGHT