What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) 91 Pleasure flight in the Reno area. During the landing rollout, the pilot retracted the flaps using his left hand. During flap retraction, the pilot must remove his hand from the left mounted throttle quadrant. Upon flap retraction, the aircraft veered left and departed the runway. The pilot was unable to regain control of the aircraft which ground looped damaging the right wing, right horizontal stablilizer and right main landing gear.
As the FAA filed it
(-23) 91 PLEASURE FLIGHT IN THE RENO AREA. DURING THE LANDING ROLLOUT, THE PILOT RETRACTED THE FLAPS USING HIS LEFT HAND. DURING FLAP RETRACTION, THE PILOT MUST REMOVE HIS HAND FROM THE LEFT MOUNTED THROTTLE QUADRANT. UPON FLAP RETRACTION, THE AIRCRAFT VEERED LEFT AND DEPARTED THE RUNWAY. THE PILOT WAS UNABLE TO REGAIN CONTROL OF THE AIRCRAFT WHICH GROUND LOOPED DAMAGING THE RIGHT WING, RIGHT HORIZONTAL STABLILIZER AND RIGHT MAIN LANDING GEAR.