What was found
DOOR 1R SLIDE-RAFT DEPLOYED AFTER PARKING AT GATE. SLIDE FELL ONTO JETWAY PREVENTING FULL DEPLOYMENT. THE FLIGHT ATTENDANT ROTATED DOOR HANDLE RATHER THAN ARM/DISARM LEVER CAUSING INADVERTENT DEPLOYMENT. SLIDE DEPLOYED, BUT DID NOT INFLATE. FURTHER INVESTIGATION FOUND THE HOSE/PIPE CONNECTION FROM THE BOTTLE TO THE ASPIRATORS HAD BROKEN/SNAPPED. UNITED'S METALLURGIST INSPECTED BROKEN PIPE AND DETERMINED THAT AN IMPACT OF UNKNOWN ORIGIN WAS DELIVERED TO THE ALUMINUM FITTING AT THE TIME OF DEPLOYMENT.