What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
N737LY was cleared for touch and go runway 16. After touching down aircraft veered left and departed the runway striking a runway light on the east side of the runway. The aircraft corrected and veered to the east again, while still on the ground it exited the runway south of taxiway e into the grass and accelerated. At this time N7928Q, a twin Cessna taxing north on taxiway a and was advised by ATC of N734LY'S excursion from the runway. N734LY become airborne from the grass area between the runway and taxiway a, corrected to the west and flew a normal left hand pattern to a full stop landing, then taxied to the ramp without further incident
As the FAA filed it
N737LY WAS CLEARED FOR TOUCH AND GO RUNWAY 16. AFTER TOUCHING DOWN AIRCRAFT VEERED LEFT AND DEPARTED THE RUNWAY STRIKING A RUNWAY LIGHT ON THE EAST SIDE OF THE RUNWAY. THE AIRCRAFT CORRECTED AND VEERED TO THE EAST AGAIN, WHILE STILL ON THE GROUND IT EXITED THE RUNWAY SOUTH OF TAXIWAY E INTO THE GRASS AND ACCELERATED. AT THIS TIME N7928Q, A TWIN CESSNA TAXING NORTH ON TAXIWAY A AND WAS ADVISED BY ATC OF N734LY'S EXCURSION FROM THE RUNWAY. N734LY BECOME AIRBORNE FROM THE GRASS AREA BETWEEN THE RUNWAY AND TAXIWAY A, CORRECTED TO THE WEST AND FLEW A NORMAL LEFT HAND PATTERN TO A FULL STOP LANDING, THEN TAXIED TO THE RAMP WITHOUT FURTHER INCIDENT