What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) During this incident the private pilot was receiving training for a tailwheel airplane endorsement, the instructor took control of the aircraft because the student over corrected when the aircraft was about to go off the left side of the runway causing the aircraft to depart the right side of the runway. The instructor took control of the airplane which was departing the runway on the right side under the control of the instructor and on the grass when the student applied left rudder causing the aircraft to ground loop.
As the FAA filed it
(-23) DURING THIS INCIDENT THE PRIVATE PILOT WAS RECEIVING TRAINING FOR A TAILWHEEL AIRPLANE ENDORSEMENT, THE INSTRUCTOR TOOK CONTROL OF THE AIRCRAFT BECAUSE THE STUDENT OVER CORRECTED WHEN THE AIRCRAFT WAS ABOUT TO GO OFF THE LEFT SIDE OF THE RUNWAY CAUSING THE AIRCRAFT TO DEPART THE RIGHT SIDE OF THE RUNWAY. THE INSTRUCTOR TOOK CONTROL OF THE AIRPLANE WHICH WAS DEPARTING THE RUNWAY ON THE RIGHT SIDE UNDER THE CONTROL OF THE INSTRUCTOR AND ON THE GRASS WHEN THE STUDENT APPLIED LEFT RUDDER CAUSING THE AIRCRAFT TO GROUND LOOP.