Incident Overview
During landing on a dry, paved runway, the airplane bounced once. The pilot reported that as the airplane settled, the left wheel began to vibrate, and the aircraft subsequently ground looped to the left.
Post-Accident Inspection
Following the incident, an inspection revealed that the inner tube inflation valve stem had sheared off, and both wheel halves were fractured. No preaccident mechanical anomalies were identified during the examination.
Maintenance History
The wheels had been installed 4.5 service hours and 7 landings prior to the event.
Conclusion
The investigation did not determine a probable cause for the incident.