Primary finding
Probable cause
The pilot’s failure to maintain directional control during the landing roll.
Investigator assessment
Analysis narrative
The pilot reported that while landing his amateur built tailwheel equipped airplane, he experienced a ground loop to the left. Subsequently the right main wheel fell inside of a hole. The pilot stated the impact with the hole removed the right wheel causing structural damage to the right-side of the fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.