What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The pilot in command of N789SL had filed an IFR flight plan from Palm Springs (psp), CA, to oceanside (crq), CA. After departure, the pilot noted that a fuel tank cap had become loose and he informed ATC that he needed to return to the airport. No emergency was declared and the pilot started his turn back to psp without clearance from ATC. The flight was operating in VMC conditions at the time.
As the FAA filed it
(-23) THE PILOT IN COMMAND OF N789SL HAD FILED AN IFR FLIGHT PLAN FROM PALM SPRINGS (PSP), CA, TO OCEANSIDE (CRQ), CA. AFTER DEPARTURE, THE PILOT NOTED THAT A FUEL TANK CAP HAD BECOME LOOSE AND HE INFORMED ATC THAT HE NEEDED TO RETURN TO THE AIRPORT. NO EMERGENCY WAS DECLARED AND THE PILOT STARTED HIS TURN BACK TO PSP WITHOUT CLEARANCE FROM ATC. THE FLIGHT WAS OPERATING IN VMC CONDITIONS AT THE TIME.