As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING OUT, AROUND 17000 FEET, LOUD BANG AND RAPID DECOMPRESSION. MAIN CABIN DOOR BLEW OPEN BUT STAYED ATTACHED TO THE AIRCRAFT. DECLARED EMERGENCY LANDING. REPLACED MAIN DOOR ASSEMBLY. FURTHER STRUCTURAL INSPECTIONS TO BE ACCOMPLISHED AT MAJOR MAINTENANCE BASE.