WHILE DRIVING AT 37 MPH VEHICLE SLID ON A GRAVEL SURFACE AND IMPACTED A STEEL POOL. UPON IMPACT, PASSENGER SIDE SEAT BELT DISCONNECTED, AND PASSENGER SUSTAINED INJURIES TO THE RIGHT SIDE OF HEAD, EYES, AND BOTH KNEES. THERE IS CURRENTLY AN OPEN INVESTIGATION EAO4-007, ON SEAT BELT BUCKLE FAILURE. *AK