As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNABLE TO PRESSURIZE AIRCRAFT AFTER TAKE OFF. FUEL DUMPED. NO EMERGENCY DECLARED. FOUND R1 DOOR PARTIALLY OPEN. PROPERLY SECURED DOOR AND GROUND PRESSURIZED THE AIRCRAFT. NO FURTHER DISCREPANCIES NOTED.NOTE. MAINTENANCE REPORTED GATE ASSEMBLY PARTIALLY OPENED. ADDITIONAL INFORMATION TO FOLLOW.