As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED THE UPPER PASSENGER DOOR OPENING IN FLIGHT. THE FLIGHT WAS THEN DIVERTED TO KHYA, WHERE MAINTENANCE INSPECTED AND FOUND THE EXTERIOR DOOR HANDLE SPRING BROKEN. THE EXTERIOR HANDLE WAS REMOVED AND REPLACED WITH NO FURTHER DEFECTS NOTED.