What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) After a normal landing and during rollout, the pilot stated he heard an unusual sound followed by the aircraft settling towards the runway on the left side. The pilot applied right aileron control input; however, the aircraft continued to settle left. Post incident investigation revealed the left inboard spring gear attach bolt failed followed by a left main gear collapse.
As the FAA filed it
(-23) AFTER A NORMAL LANDING AND DURING ROLLOUT, THE PILOT STATED HE HEARD AN UNUSUAL SOUND FOLLOWED BY THE AIRCRAFT SETTLING TOWARDS THE RUNWAY ON THE LEFT SIDE. THE PILOT APPLIED RIGHT AILERON CONTROL INPUT; HOWEVER, THE AIRCRAFT CONTINUED TO SETTLE LEFT. POST INCIDENT INVESTIGATION REVEALED THE LEFT INBOARD SPRING GEAR ATTACH BOLT FAILED FOLLOWED BY A LEFT MAIN GEAR COLLAPSE.