What was found
(CAN) SEAL BECAME DETACHED FROM RETAINER AT UPPER AFT CORNER OF AIRSTAIR DOOR CAUSING RAPID DEPRESSURIZATION OF AIRCRAFT IN FLIGHT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) SEAL BECAME DETACHED FROM RETAINER AT UPPER AFT CORNER OF AIRSTAIR DOOR CAUSING RAPID DEPRESSURIZATION OF AIRCRAFT IN FLIGHT.