What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Iic spoke with pilot. Pilot stated that he properly latched door before takeoff. Shortly after takeoff, pilot heard a buffeting noise, looked down, and noticed the pilot door was unlatched. Pilot radioed vny ATCT and turned around to head back to vny, Van Nuys, CA, and noticed the door was no longer on aircraft. Pilot reported door landed in a flood control basin 2 miles south of vny airport.
As the FAA filed it
IIC SPOKE WITH PILOT. PILOT STATED THAT HE PROPERLY LATCHED DOOR BEFORE TAKEOFF. SHORTLY AFTER TAKEOFF, PILOT HEARD A BUFFETING NOISE, LOOKED DOWN, AND NOTICED THE PILOT DOOR WAS UNLATCHED. PILOT RADIOED VNY ATCT AND TURNED AROUND TO HEAD BACK TO VNY, VAN NUYS, CA, AND NOTICED THE DOOR WAS NO LONGER ON AIRCRAFT. PILOT REPORTED DOOR LANDED IN A FLOOD CONTROL BASIN 2 MILES SOUTH OF VNY AIRPORT.