What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: pilot stated that he departed corona, California and flew uneventfully to El Cajon. Upon landing attempt on runway 27R the pilot experienced a significant left cross wind. The pilot (who had over 700 hours has tail wheel time) tried to compensate w/aileron & rudder & brake application. However, the short coupled tail wheel a/c started to ground loop & veered left off the runway near taxiway "bravo". The a/c hit a taxiway sign which caused the left & right landing gear to collapse. The propeller struck the ground. Damage to the a/c was limited to minor sheet metal damage to the lower fuselage. The pilot & his passenger were not injured. This incident is not related to any NMAC or pilot deviations reported by ATC.
As the FAA filed it
NARRATIVE: PILOT STATED THAT HE DEPARTED CORONA, CALIFORNIA AND FLEW UNEVENTFULLY TO EL CAJON. UPON LANDING ATTEMPT ON RUNWAY 27R THE PILOT EXPERIENCED A SIGNIFICANT LEFT CROSS WIND. THE PILOT (WHO HAD OVER 700 HOURS HAS TAIL WHEEL TIME) TRIED TO COMPENSATE W/AILERON & RUDDER & BRAKE APPLICATION. HOWEVER, THE SHORT COUPLED TAIL WHEEL A/C STARTED TO GROUND LOOP & VEERED LEFT OFF THE RUNWAY NEAR TAXIWAY "BRAVO". THE A/C HIT A TAXIWAY SIGN WHICH CAUSED THE LEFT & RIGHT LANDING GEAR TO COLLAPSE. THE PROPELLER STRUCK THE GROUND. DAMAGE TO THE A/C WAS LIMITED TO MINOR SHEET METAL DAMAGE TO THE LOWER FUSELAGE. THE PILOT & HIS PASSENGER WERE NOT INJURED. THIS INCIDENT IS NOT RELATED TO ANY NMAC OR PILOT DEVIATIONS REPORTED BY ATC.