As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLIMBING THROUGH 10000 FT, A LOUD BANG WAS HEARD FOLLOWED BY A CONSTANT HISSING SOUND. THE FLIGHT RETURNED UNEVENTFULLY AND MAINT FOUND THE UPPER FWD DRAW BOLT ROLLER HAD FAILED CAUSING THAT PORTION OF THE DOOR TO SHIFT SLIGHTLY. BOTH UPPER DRAW BOLT ROLLERS WERE REPLACED AND DOOR INSPECTED FOR FURTHER DAMAGE. NONE WAS FOUND AND GROUND CHECKS WERE C/O SERVICEABLE.