What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot of N8217R reported a landing gear warning light to the Oxnard tower and requested a fly-by to confirm gear configuration. The tower confirmed that the gear were not fully extended. After the pilot completed the emergency gear extension procedure the gear indicated 3-green lights. The pilot made another fly-by and the tower confirmed the gear was down. After a normal touchdown and roll out, the left main gear collapsed while taxiing off the runway.
As the FAA filed it
PILOT OF N8217R REPORTED A LANDING GEAR WARNING LIGHT TO THE OXNARD TOWER AND REQUESTED A FLY-BY TO CONFIRM GEAR CONFIGURATION. THE TOWER CONFIRMED THAT THE GEAR WERE NOT FULLY EXTENDED. AFTER THE PILOT COMPLETED THE EMERGENCY GEAR EXTENSION PROCEDURE THE GEAR INDICATED 3-GREEN LIGHTS. THE PILOT MADE ANOTHER FLY-BY AND THE TOWER CONFIRMED THE GEAR WAS DOWN. AFTER A NORMAL TOUCHDOWN AND ROLL OUT, THE LEFT MAIN GEAR COLLAPSED WHILE TAXIING OFF THE RUNWAY.